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org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Microcrystals of NMC layered lithium transition metal oxide cathode material object...

DescriptionIodine microcrystals.JPG English: Microcrystals of iodine. The iodine vapor has stained the container pink. Date 30 December 2010 Source Own...

4.0 Creative Commons Attribution 4.0 truetrue English Yellow brown microcrystals of schumacherite author name string: David Hospital Wikimedia username:...

0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Black microcrystals of armangite author name string: David Hospital Wikimedia username:...

0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Black microcrystals of fingerite associated to also black mcbirneyite author name string:...

Creative Commons Attribution 4.0 truetrue English Dark green almost black microcrystals of stoiberite author name string: David Hospital Wikimedia username:...

0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Faceted microcrystals of Ce,Co co-doped ZnO forming a star-like architecture. determination...

org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Microcrystals of Acetylsalicylic acid under an optical microscope at 60x between linear...

org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Microcrystals of ammonium hexachloroosmate author name string: Marte014 Wikimedia...

org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Microcrystals of Ascorbic acid (Vitamin C) under an optical microscope at 60x between...

Commons Attribution-Share Alike 4.0 truetrue English Greenish grey microcrystals of the very rare mineral minnesotaite. object of statement has role:...

Creative Commons Attribution-Share Alike 4.0 truetrue English Yellow microcrystals of the rare ammonium sulphate mineral mohrite author name string: David...

Attribution-Share Alike 3.0 truetrue   English Cuprite crystals on matrix covered with delafossite microcrystals determination method or standard: SHA-1...

defined, gunmetal color bournonite crystals, with a number of pyrite microcrystals object of statement has role: photographer author name string: CarlesMillan...

BY 4.0 Creative Commons Attribution 4.0 truetrue translate English Microcrystals of an aqueous solution of a mixture of amino acids: alanine and glutamine...

BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Microcrystals of Rh4(CO)12 object of statement has role: photographer author name...

Creative Commons Attribution-Share Alike 4.0 truetrue English Quartz microcrystals, Brasil At Museo de la Naturaleza y el Hombre Spanish Drusa de microcristales...

English: Microcrystals of Ascorbic Acid in cross-polarized light illumination . The microcrystals have anisotropy (birefringence). The microcrystals were...

Александра. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Mineral Water “Essentuki 4” Salt Light microscopy, polarized light...

0CC BY 4.0 Creative Commons Attribution 4.0 truetrue English Orange microcrystal of verplanckite. author name string: David Hospital Wikimedia username:...

DescriptionMicrocrystals of pseudoisocyanine J-aggregates.jpg English: Microcrystals of J-aggregates of thiacyanine dye (3,3'-disulfopropyl-5,5'-dichlorothiacyanine...

DescriptionMicrocrystals of potassium dichromate.JPG Русский: Друза кристаллов дихромата калия. Эти кристаллы выросли на периферии капли раствора. Фото...

DescriptionMicrocrystals of J-aggregates of pseudoisocyanine dye.jpg English: Microcrystals of J-aggregates of thiacyanine dye (3,3'-disulfopropyl-5...

DescriptionMicrocrystals of J-aggregates of thiacyanine dye.jpg English: Microcrystals of J-aggregates of thiacyanine dye (3,3'-disulfopropyl-5,5'-dichlorothiacyanine...

DescriptionMicrocrystals of J-aggregates of cyanines - thiacyanine (blue), pseudoisocyanine (orange).jpg English: Microcrystals of J-aggregates of thiacyanine...

DescriptionMicrocrystals of J-aggregates of thiacyanine dye stabilized with cetyltrimethylammonium bromide.jpg English: Microcrystals of J-aggregates of...

DescriptionMicrocrystals of J-aggregates of pseudoisocyanine dye stabilized with cetyltrimethylammonium bromide.jpg English: Microcrystals of J-aggregates...

DescriptionMicrocrystals of J-aggregates of cyanine dyes stabilized with cetyltrimethylammonium bromide.jpg English: Microcrystals of J-aggregates of...

bookimages/14803516523/ operator: Flickr URL: https://live.staticflickr.com/5561/14803516523_ee0a57da08_o.jpg determination method or standard: SHA-1...

described at URL: https://www.flickr.com/photos/oakridgelab/8673369644/ operator: Flickr URL: https://live.staticflickr.com/8395/8673369644_56f8326b41_o.jpg...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

includes optical stereomicroscopy that allows for the visualization of microcrystals and other microscopic details on the fabric. Identifying the presence...

руководитель: Михальцов Анатолий Иванович English: Potassium Sulfate Microcrystals Light microscopy, polarized light Micrograph by: Kirillova Veronika...

DescriptionCalomel.jpg English: Calomel microcrystals from Almadenejos mine, Ciudad Real, Spain. Español: Calomelano en forma de microcristales, procedente...

Вероника. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Ascorbic Acid Light microscopy, polarized light Micrograph by: Kirillova...

Марина. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Citric Acid Method: crystals dissolving on a slide Light microscopy...

Евгения. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Tartaric Acid Light microscopy, polarized light Micrograph by: Drobotenko...

specimen. On a large plate sparkling with glittery purple fluorite microcrystals are three large crystals (to 1.8 cm) that grew, then were coated on...

Дюсупова Лейла. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Mineral Water “Omskaya 1” Salt Light microscopy, differential interference...

with rich pistachio-green Vauquelinite microcrystals all over the piece, and minute druses of embreyite microcrystals as well (they are orange, and seem intermixed...

поляризаторов. 10-кратное увеличение. English: Image of H-β-(2-Pyridyl)-Ala-OH microcrystals (amino acids class) grown from aqueous solution on the platinum surface...

DescriptionHielo liquido majestic 2.jpg English: liquid ice is formed by millions of microcrystals of ice suspended in a liquid solution is usually done...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

DescriptionWhelanite.jpg English: Dark blue microcrystals of stringhamite associated to sky blue acicular crystals of whelanite. Date 23 September 2015...

Vandenbrandeite and Malachite Microcrystalline red-orange billietite microcrystals with rich coverings of dark green Vandenbrandeite crystals, amongst...

Vandenbrandeite and Malachite Microcrystalline red-orange billietite microcrystals with rich coverings of dark green Vandenbrandeite crystals, amongst...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

DescriptionArsenmedaite.jpg English: Orange microcrystals of the very rare mineral Mn-As silicate arsemmedaite from the TL in Molinello mine (Molinello...

меньше миллиметра. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

Vandenbrandeite A really rich specimen , beautiful, with orange curite microcrystals completely covering the Vandenbrandeite within protected vugs on 2 faces...

DescriptionNagashimalite.jpg English: Greenish black microcrystals of nagashimalite in a small matrix of rhodonite from the TL in Japan (Mogurazawa Mine...

Intercalated homogeneous and laminated facies. Here, pyrite framboids and microcrystals (bright grains) are confined to the laminated facies, probably precipitating...

DescriptionSharpite.jpg English: Greenish yellow microcrystals of the very rare uranium mineral sharpite from a little known locality in France (Le Brugeaud...

DescriptionNeltnerite.jpg English: Microcrystals of the rare manganese mineral neltnerite from Manganese Creek in Michigan: Manganese Creek, Keweenaw Co...

DescriptionLannonite.jpg English: White and colorless microcrystals of the rare mineral lannonite from the Anna Mine (Alsdorf, Cologne, North Rhine - Westphalia...

DescriptionJixianite.jpg English: Brown microcrystals of the rare tungsten mineral jixianite from the famous Clara mine (Wolfach, Black Forest, Baden-Württemberg...

DescriptionHeneuite.jpg English: Pale blue green microcrystals of the extremely rare carbonate-phosphate mineral heneuite from the type and only known...

DescriptionBalkanite.jpg English: Grey-black microcrystals and veinlets of the very rare Ag-Hg mineral balkanite from one of the few localities known...

DescriptionStringhamite.jpg English: Dark blue microcrystals of stringhamite associated to sky blue acicular crystals of whelanite Date 23 September 2015...

янтарной кислоты.JPG Русский: Микрокристаллы янтарной кислоты. Световая микроскопия, поляризованный свет. English: Microcrystals of Succinic Acid Light...

DescriptionLeisingite.jpg English: Orange-yellow sharp microcrystals of the extremely rare tellurate mineral leisingite, in a white contrasting matrix...

DescriptionChalcothallite.jpg English: Black microcrystals of the extremely rare thallium mineral chalcothallite from the type (Ilímaussaq, Narsaq, Kujalleq...

DescriptionMapimite.jpg English: Outstanding dark green microcrystals of the extremely rare Zn-Fe arsenate mineral mapìmite from the TL in Ojuela mine...

DescriptionWickenburgite.jpg English: Outstanding rossettes of hexagonal colorless microcrystals of the rare mineral wickenburgite. From: Potter Cramer...

DescriptionZiesite.jpg English: Black microcrystals of the rare Cu vanadate mineral from the type locality in Izalco volcano, El Salvador. Very rich specimen...

DescriptionBraccoite.jpg English: Orange microcrystals of the extremely rare mineral braccoite (IMA 2013-093). From: Valletta Mine, Vallone della Valletta...

DescriptionSvyatoslavite.jpg English: White and pale yellow crystal aggregates and microcrystals of the very rare mineral svyatoslavite from a the type...

DescriptionEglestonite.jpg Català: Yellow microcrystals of the rare Hg mineral eglestonite associated to cinnabar from Nevada: Cahill Mine, Poverty Peak...

аминокислот.jpg Русский: Микрокристаллы смеси некоторых аминокислот. Метод контрастирования: поляризация с компенсаторами. English: microcrystals of amino...

DescriptionZakharovite.jpg English: Brown microcrystals of the rare mineral zakharovite from the famous Lovozero area (Lovozero Massif, Murmansk Oblast...

DescriptionFritzscheite.jpg English: Reddish brown microcrystals of the extremely rare Mn-uranium mineral fritzcheite from the type locality for the mineral...

DescriptionCadwaladerite.jpg English: Yellow microcrystals and masses of the very rare aluminium chloride-hydroxide mineral cadwaladerite from only one...

DescriptionAnsermetite.jpg English: Dark red microcrystals of the Mn -V oxide ansermetite from the TL in Switzerland (Fianel, Ausserferrera, Ferrera Valley...

DescriptionBurckhardtite.jpg English: Pink microcrystals of burckhardtite, an extremely rare tellurium mineral from Moctezuma, that is the type locality...

DescriptionSpencerite.jpg English: Several white microcrystals of the zinc phosphate mineral spencerite from the type locality and only one of the three...

DescriptionPolhemusite.jpg English: Black shiny microcrystals of the very rare mineral Zn-Hg sulphide mineral polhemusite from the famous Getchell mine...

DescriptionPetříčekite.jpg English: Metallic microcrystals of the new selenide mineral petricekite (IMA 2015-111) in a matrix of the other massive selenides...

DescriptionOttohahnite & Manganoblödite & Cobaltoblödite.jpg English: Yellow ottohahnite microcrystals associated to a mixture of manganoblödite & cobaltoblödite...

DescriptionOmsite.jpg English: Yellow microcrystals of the extremely rare mineral omsite (IMA 2012-025) associated to minoritary ullmanite from the type...

DescriptionМикрокристаллы периклаза. Электронный микроскоп («Морской ёж»).jpg English: Microcrystals of periclase Date 31 May 2022 Source Own work Author Dertyren33...

DescriptionYoshimuraite.jpg English: Orange microcrystals of the very rare mineral yoshimuraite. From one of the only three known localities worldwide:...

DescriptionSchäferite.jpg English: Orange microcrystals of the rare vanadate mineral schaferite from the famous Eifel area (Rothenberg, Bell, Mendig,...

DescriptionSchuetteite.jpg English: Very rare mercury sulphate mineral schuetteite that occurs as yellow crystal aggregates and microcrystals on a contrasting...

DescriptionMacaulayite.jpg English: Very dark red, almost black, microcrystals of the rare mineral macaulyite on a contrasting matrix of illite and kaolinite...

DescriptionCuzticite.jpg English: Outstanding brown microcrystals of Cuzticite, a very rare tellurium mineral from the type locality (Moctezuma Mine, Moctezuma...

DescriptionLenoblite.jpg English: Dark green microcrystals of the rare vanadium mineral lenoblite from the famous Grube Clara (Clara Mine, Wolfach, Black...

DescriptionLucabindiite.jpg English: Colorless and white microcrystals of the extremely rare Br mineral lucabindiite from the TL and only one of four known...

DescriptionMinohlite.jpg English: Bluish green microcrystals of the rare Cu sulphate mineral minohite from a locality in Germany (Friedrichssegen Mine...

DescriptionStarovaite.jpg English: Brown microcrystals of the very rare mineral starovaite (IMA 2011-085) associated to green lammerite from the type locality...

localities worldwide. It occurs in this specimen as druses of white microcrystals. From: Richelsdorf, Hesse, Germany. Date 3 January 2019, 20:26:56 Source...

стекле. Световая микроскопия, поляризованный свет. English: Hydroquinone Microcrystals Dissolving and growing on a slide Light microscopy, polarized light...

of about 1 mm brown granules in a capsule. Some of the granules have microcrystals of the mineral. From: Anloua, Martap, Vina, Adamaoua Region, Cameroon...

DescriptionRooseveltite.jpg English: White rooseveltite associated to bismoclite and to yellow microcrystals of the very rare mineral zaïrite, from one...

DescriptionSosedkoite.jpg English: Colorless adamantine microcrystals of the extremely rare K-Al-Ta mineral sosedkoite in a partially polished specimen...

DescriptionOxammite.jpg English: Yellow orange microcrystals of the extremely rare ammonium oxalate mineral oxammite, from one of the only four localities...

DescriptionPaulkerrite.jpg English: Brown paulkerrite microcrystals associated to almost black bermanite from Arizona (7U7 Ranch, Bagdad Mine, Hillside...

DescriptionMohite.jpg English: Black microcrystals of the extremely rare Cu-Sn sulphide mineral mohnite from one of the very few known localities worldwide...

DescriptionWampenite.jpg English: White microcrystals of rare organic mineral wampenite (C18H16) on fossil wood from the species type and only locality...

specimen is SOLID minium, either as microcrystals or in massive form. A very well-placed, 7 mm cluster of lead microcrystals dominates the front of the scupltural...

DescriptionSurite & Galena.jpg English: White microcrystals of the rare mineral surite on nice cubes of galena. Surite has only been found in three localities...

DescriptionBurtite.jpg English: Yellow microcrystals of the extremely rare Sn mineral from the type locality in Morocco (Wadi Beht, El Hammam, Meknès...

DescriptionRanunculite.jpg English: Deep yellow microcrystals of the extremely rare Al-U mineral ranunculite from the TL and only confirmed locality worldwide...

DescriptionEcandrewsite.jpg English: Black microcrystals of the rare oxide mineral ecandrewsite from the type locality in Australia: Melbourne Rockwell...

DescriptionFreudenbergite.jpg English: Black microcrystals of the very rare mineral freudenbergite from one of the only five known localities worldwide...

DescriptionMagnolite.jpg English: Creamy white microcrystals of the extremely rare Hg tellurite mineral magnolite from Mountain Lion Mine (Magnolia District...

DescriptionMathesiusite.jpg English: Yellow microcrystals of the extremely rare uranium mineral mathesiusite (IMA 2013-046) from one of the only two known...

DescriptionDerbylite.jpg English: Black derbylite microcrystals, a rare Fe-Ti-Sb oxide mineral only known from two localities worldwide, on a contrasting...

DescriptionPilsenite.jpg English: Black microcrystals of the very rare bismuth telluride mineral pilsenite on a contrasting matrix. From: White Elephant...

DescriptionYarrowite.jpg English: Black microcrystals of the very rare copper sulphide yarrowite from New Mexico (High Rolls District, Otero County, New...

DescriptionBoyleite.jpg English: White microcrystals similar to efflorescenses of this very rare Zn-Mg sulphate mineral boyleite from the type locality...

DescriptionPreobrazhenskite.jpg English: Outstanding yellow very shiny microcrystals of the rare borate mineral preobrazhenskite from the type locality:...

DescriptionChursinite.jpg English: Outstanding yellow orange microcrystals of the extremely rare Hg arsenate mineral chursinite from the TL in Kyrgyzstan...

DescriptionDjerfisherite.jpg English: Bronze colored microcrystals of the very rare mineral djerfischerite from this famous Russian locality: Rasvumtchorr...

DescriptionDarapiosite.jpg English: White microcrystals of the extremely rare mineral darapiosite from the type and only known locality worldwide in Dara...

DescriptionFerro-richterite.jpg English: Dark microcrystals of the very rare mineral ferro-richterite on a pale colored matrix from Libby, Libby Mining...

DescriptionParafransoletite.jpg English: Compact radial sprays of white microcrystals of the extremely rare Ca-Be-phosphate mineral parafransoletite from...

DescriptionМикрокристаллы граната в шлаке. Электронный микроскоп («Бриллианты»).jpg English: Microcrystals of garnet in slag Date 31 May 2022 Source Own work Author Dertyren33...

DescriptionCerianite-(Ce)-purpleSky.jpg English: Long yellow orange microcrystals of the rare cerium mineral cerianite-(Ce) from the famous Eifel quarries...

DescriptionМикро.Кристаллы марганцовокислого калия.2010г.орг.,м.43,5х44.jpg English: Microcrystals of en:Potassium permanganate (drawing). Русский: Жанр «микро»...

DescriptionQandilite.jpg English: Black metallic microcrystals of the extremely rare Mg-Ti oxide mineral qandilite from the type locality in Iraq (Dupezeh...

DescriptionGravegliaite & Alabandite.jpg English: Olive green microcrystals of the extremely rare mineral gravegliaite grown on a big perfect alabandite...

DescriptionChlorbartonite.jpg English: Dark orange microcrystals of the very rare mineral chlorbartonite from the type locality (Koashva Open Pit, Khibiny...

DescriptionHemloite.jpg English: Black microcrystals of the extremely rare Ti-V-As-Sb oxide mineral hemloite from the type and only known locality worldwide...

DescriptionBrianite.jpg English: Small white microcrystals of the extremely rare mineral brianite from the type locality in Dayton meteorite (Dayton Meteorite...

millerite from the Harz, with what seem to be rich nodular masses of microcrystals embedded in calcite, as well as some elongated plates within the calcite...

DescriptionStottite.jpg English: Outstanding dark orange microcrystals of the extremely rare germanium mineral stottite from the type locality in Tsumeb...

0 cm. A large and brilliantly sparkling specimen with intense blue microcrystals, from this classic old locality. Deutsch: Azurit Fundort: Banat Mts...

DescriptionOttemannite.jpg English: Golden brown metallic microcrystals of the extremely rare tin sulphide mineral ottemannite from one of the few known...

аминокислот 2.jpg Русский: Микрокристаллы смеси некоторых аминокислот. Метод контрастирования: поляризация с компенсаторами. English: microcrystals of amino...

DescriptionHephaistosite.jpg English: Very well formed pale yellow long microcrystals of the extremely rare relatively new mineral hephaitosite (IMA 2006-043)...

DescriptionKimrobinsonite.jpg English: White-lemon microcrystals of the extremely rare Ta-Nb mineral kimrobinsonite from the type locality in Western Australia...

DescriptionNative Rhenium.jpg English: A grain formed by black metallic microcrystals of the extremely rare native element rhenium in an analyzed specimen...

jpg Русский: Микрокристаллы фитогормона гибберелловая кислота. Световая микроскопия, поляризованный свет с компенсатором. English: 2. Microcrystals of...

DescriptionGuarinoite.jpg English: Deep pink microcrystals of the extremely rare mineral guarinoite from the type locality (Cap Garonne Mine, Le Pradet...

Azurite A large and brilliantly sparkling specimen with intense blue microcrystals, from this classic old locality. I have not seen many Banat azurites...

Azurite A large and brilliantly sparkling specimen with intense blue microcrystals, from this classic old locality. I have not seen many Banat azurites...

worldwide. Very rich specimen of this very rare species for the quantity of microcrystals and crystal aggregates present. Date 16 October 2020 Source Own work...

2.1 cm Guilleminite on Malachite Bright, eye-visible, canary-yellow microcrystals of this very rare mineral species, nicely contrasted on malachite! Deutsch:...

GEMMY apophyllite crystals to 3.5 cm, on a bed of sparkly stilbite microcrystals and a few larger stilbite "books". 22.1 x 19.1 x 8.6cm Deutsch: Apophyllit-(KF)...

rhombs that sit on a matrix of very lustrous, almost wet-looking calcite microcrystals from an earlier generation of growth in the pocket. 9.6 x 6.4 x 3.1cm...

DescriptionPonomarevite & Klyuchevskite.jpg English: Red-brown microcrystals of ponomarevite, an extremely rare K-Cu chloride from the famous Tolbachik...

DescriptionErtixiite.jpg English: Colorless vitreous microcrystals of the extremely rare mineral of simple chemistry ertixiite (Na2Si4O9) from the type...

bipyramidal crystals of adamite (rather than the usual clusters of microcrystals) to over one centimeter! Fine luster, color and translucency too. Adamites...

Salamanca, España. Col. M. Calvo. Foto J. Callén English: Zincolibethenite microcrystals (1 mm) on fluorapatite. Tita mine, Vaga de Tirados, Salamanca (Spain)...

best and type locality for the species. The bright, mustard yellow microcrystals crystals are emplaced in a wide vein in matrix. Ex. Harold Urish Collection...

sparkly calcite crystals, some of which are included with tiny dioptase microcrystals, turning them a beautiful pastel green! Unique! 8.6 x 7.0 x 2.3cm Deutsch:...

wardite nicely set on matrix from Rapid Creek, Yukon, Canada. A couple of microcrystals of lazulite add character to this fine thumbnail. 2.5 x 2.5 x 1.8 cm...

DescriptionFavreauite.jpg English: Grass green microcrystals of favreauite, an extremely rare mineral (IMA 2014-013) discovered at the El Dragon mine,...

2 cm Raspite on Limonite This piece features bright, glassy, orange microcrystals to 2 mm of this highly desirable and rare species! It is a real treasure...

that is very unusual in minerals. It occurs in this specimen as violet microcrystals associated to majoritary sky blue ammineite (another new mineral with...

(Zaïre) (Locality at mindat.org) Bright, eye-visible, canary-yellow microcrystals of this very rare mineral species, nicely contrasted on malachite! 4...

Azurite A large and brilliantly sparkling specimen with intense blue microcrystals, from this classic old locality. I have not seen many Banat azurites...

covered by velvety black-green Mottramite with aggregates atop of sharp microcrystals of malachite. These are accented with a few sharp crystals of Cerussite...

org) Size: 7.1 x 3.7 x 2.7 cm. A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. Deutsch: Langit Fundort:...

DescriptionMangano-mangani-ungarettiite.jpg English: Reddish veinlets and microcrystals of the very rare mineral mangano-mangani-ungarettite from the...

контрастирования: переменный фазовый контраст. English: Human Tear Microcrystals Date 25 December 2020, 17:44:21 Source Own work Author Anatoly Mikhaltsov...

org) Size: 6.1 x 4.0 x 2.0 cm. A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. Deutsch: Langit Fundort:...

Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Ex. Philadelphia Academy of Sciences...

Langite A showy and excellent specimen of sparkly, rich teal-blue langite microcrystals on matrix from Ireland! Langite is a copper sulfate, rare overall, and...

best and type locality for the species. The bright, mustard yellow microcrystals crystals are emplaced in a wide vein in matrix. Ex. Harold Urish Collection...

covered by velvety black-green Mottramite with aggregates atop of sharp microcrystals of malachite. These are accented with a few sharp crystals of Cerussite...

DescriptionKhinite-Bird Nest drift.jpg English: Outstanding and rich specimen of emerald green khinite microcrystals on quartz matrix associated to minoritary...

Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Ex. Philadelphia Academy of Sciences...

covered by velvety black-green Mottramite with aggregates atop of sharp microcrystals of malachite. These are accented with a few sharp crystals of Cerussite...

DescriptionArsenmarcobaldiite.jpg English: Black microcrystals of the extremely rare mineral IMA 2016-045 arsenmarcobaldiite on a white contrasting matrix...

nickel analogue of tsumcorite and cobalttsumcorite. It occurs as yellow microcrystals lining a small vug, with some very nice apple green annabergite crystals...

classic occurrence, and features relatively large spherical aggregates of microcrystals to just over 1mm in size, nicely isolated and so easily eye-visible...

cm A showy and excellent specimen of sparkly, rich teal-blue langite microcrystals on matrix from Ireland! Langite is a copper sulfate, rare overall, and...

2 cm Raspite on Limonite This piece features bright, glassy, orange microcrystals to 2 mm of this highly desirable and rare species! It is a real treasure...

locality , probably from the early 1900s. Usually one sees only a crust of microcrystals with no distinct form, but here we have true crystals. Rich on both...

millerite from the Harz, with what seem to be rich nodular masses of microcrystals embedded in calcite, as well as some elongated plates within the calcite...

Note there is a smudge of realgar and possibly other, rarer species in microcrystals, to the side. Deutsch: Sartorit Fundort: Binntal, Im Feld (Imfeld; Feld;...

DescriptionDowneyite.jpg English: One outstanding grey brown single group of whitish microcrystals of the extremely rare selenium dioxide mineral downeyite...

covered by velvety black-green Mottramite with aggregates atop of sharp microcrystals of malachite. These are accented with a few sharp crystals of Cerussite...

on godovikovite.jpg English: Exceptional sample of the extremely rare demicheleite-(Cl) (IMA 2008-020) in well formed red microcrystals and associated...

mida kasutatakse mikro- ja nanooptika teadustöös. English: Silver microcrystals imaged by an electron microscope. Date 2 November 2022 Source Own work...

Dakota, USA (Locality at mindat.org) Size: 7.1 x 5.4 x 2.7 cm. Sharp microcrystals of lustrous, green sincosite, a rare calcium, vanadium, phosphate, are...

2.1 cm Guilleminite on Malachite Bright, eye-visible, canary-yellow microcrystals of this very rare mineral species, nicely contrasted on malachite! Deutsch:...

mindat.org) A really rich specimen , beautiful, with orange curite microcrystals completely covering the Vandenbrandeite within protected vugs on 2 faces...

crystals cover both sides of the matrix. One side has creamy little barite microcrystals between the larger gemmy crystals, but the prettier side is just has...

Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Deutsch: Haggit (?) Fundort: Ambrosia...

millerite from the Harz, with what seem to be rich nodular masses of microcrystals embedded in calcite, as well as some elongated plates within the calcite...

Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Deutsch: Haggit (?) Fundort: Ambrosia...

7.1 x 3.7 x 2.7 cm Langite A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. These turned up at the Munich...

of Jarosite from a little known locality. The jarosite forms as red microcrystals normally, and thus this specimen may be jarosite pseudo after calcite...

6.1 x 4.0 x 2.0 cm Langite A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. These turned up at the Munich...

locality, probably from the early 1900s. Usually one sees only a crust of microcrystals with no distinct form, but here we have true crystals. Rich on both...

Calvo. English: Bavenite. Aggregate of lamellar crystals, with pyrite microcrystals on them. Cadalso I quarry, El Venero concession, Cadalso de los Vidrios...

is a remarkably rich, sparkling specimen just smothered with sharp microcrystals of this rare species (to perhaps 1mm). This location has also given...

(Zaïre) (Locality at mindat.org) Microcrystalline red-orange billietite microcrystals with rich coverings of dark green Vandenbrandeite crystals, amongst...

incredibly rich coating of the very rare species jouravskite, in a carpet of microcrystals completely covering the (calcite?) matrix. This is a rare hydrated,...

who invented the so-called "Perky Box" for thumbnails. (it also has microcrystals of lotharmeyerite: tiny dark red needles scattered on the black matrix...

Jarosite from a locality I had not seen before. The jarosite forms as red microcrystals normally, and thus this specimen may be jarosite pseudo after calcite...

Haggite is a rare hydrated vanadate, present here as black rims of microcrystals around some yellow mineralization. Deutsch: Haggit (?) Fundort: Ambrosia...

DescriptionWallkilldellite-(Fe).jpg English: Orange brown microcrystals of the extremely rare Ca-Fe arsenate mineral wallkilldellite-(Fe) from the type...

DescriptionCapgaronnite.jpg English: A lot of small almost black microcrystals of the extremely rare capgaronnite in a white contrasting matrix. From:...

classic occurrence, and features relatively large spherical aggregates of microcrystals to just over 1mm in size, nicely isolated and so easily eye-visible...

Hochsauerlandkreis, Arnsberg, North Rhine-Westphalia, Germany Description: Sky blue microcrystals on matrix. JSS specimen and photo. Deutsch: Schulenbergit Abmessungen:...

locality , probably from the early 1900s. Usually one sees only a crust of microcrystals with no distinct form, but here we have true crystals. Rich on both...

Марина. Научный руководитель: Михальцов Анатолий Иванович English: Microcrystals of Citric Acid Light microscopy, polarized light Micrograph by: Dedushkevich...

description: A 3.6 by 2.2 cms of Axinite-Fe covered on both sides by greenish microcrystals of Chamosite. Deutsch: Chamosit Fundort: Puiva (Pouyva), Saranpaul,...

Jarosite from a locality I had not seen before. The jarosite forms as red microcrystals normally, and thus this specimen may be jarosite pseudo after calcite...

is a remarkably rich, sparkling specimen just smothered with sharp microcrystals of this rare species (to perhaps 1mm). This location has also given...

6.1 x 4.0 x 2.0 cm Langite A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. These turned up at the Munich...

locality , probably from the early 1900s. Usually one sees only a crust of microcrystals with no distinct form, but here we have true crystals. Rich on both...

millerite from the Harz, with what seem to be rich nodular masses of microcrystals embedded in calcite, as well as some elongated plates within the calcite...

secondary growths of rich green malachite, in small towers composed of microcrystals (Malachite being rare for this mine). Also, there is the occasional...

steller miniature with great aesthetics! The yellow dusting is a bonus - microcrystals of the rare mineral Jouravskite 3.9 x 2 x 1.9cm Deutsch: Brucit, Jouravskit...

Note there is a smudge of realgar and possibly other, rarer species in microcrystals, to the side. Deutsch: Sartorit Fundort: Binntal, Im Feld (Imfeld; Feld;...

pearlescent, flattened calcite rhombs and sparkly, iridescent pyrite microcrystals from recent finds at the well-known El Hammam Mine of Morocco. The translucent...

Note there is a smudge of realgar and possibly other, rarer species in microcrystals, to the side. Deutsch: Sartorit Fundort: Binntal, Im Feld (Imfeld; Feld;...

display value - more than most such. The two arrows point to the marrite microcrystals (one or two at each arrow). The rest is galena. The marrite is dull...

euhedral crystals of superb quality. A rich druse of glistening, sugary microcrystals contrasting against the dolomite matrix completes the visual appeal...

Original description: A 4.7 by 3.8 cms Galena crystal studded with microcrystals of Seligmannite. JSS specimen and photo. Deutsch: Seligmannit, Galenit...

type and the only known locality worldwide. The specimen has a lot of microcrystals of white galloplumbogummite, associated to minoritary cleavages of silvery...

7.1 x 3.7 x 2.7 cm Langite A beautiful, sparkling plate of langite microcrystals, from a new find at this very old locality. These turned up at the Munich...

x 3.2 cm. Super-sparkly, gemmy and lustrous, emerald-green dioptase microcrystals richly fill the vuggy matrix on this fine specimen from the Tsumeb Mine...

secondary growths of rich green malachite, in small towers composed of microcrystals (Malachite being rare for this mine). Also, there is the occasional...

secondary growths of rich green malachite, in small towers composed of microcrystals (Malachite being rare for this mine). Also, there is the occasional...

категории - кристаллы. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

incredibly rich coating of the very rare species jouravskite, in a carpet of microcrystals completely covering the (calcite?) matrix. This is a rare hydrated,...

is a remarkably rich, sparkling specimen just smothered with sharp microcrystals of this rare species (to perhaps 1mm...certainly eye visible). This...

secondary growths of rich green malachite, in small towers composed of microcrystals (Malachite being rare for this mine). Also, there is the occasional...

secondary growths of rich green malachite, in small towers composed of microcrystals (Malachite being rare for this mine). Also, there is the occasional...

Size: small cabinet, 7.1 x 5.4 x 2.7 cm Sincosite with Minyulite Sharp microcrystals of lustrous, green sincosite, a rare calcium, vanadium, phosphate, are...

projects into. This is almost unheard of from previous finds. Only microcrystals are readily available to the collector (from workings 40-50 years ago)...

Morocco Original description: A 2.2 by 1.8 cms mass with yellowish microcrystals. JSS specimen and photo. Deutsch: Karibibit Fundort: Oumlil Mine, Bou...

combination specimen of glassy, multi-hued blue clinoclase microcrystals and green olivenite microcrystals covering two sides of the quartz-rich matrix. This...

region. E, F, pubic foot. Note in SEM images (A, C, E) the abundance of microcrystals and framboids but the absence of melanosomes. Date 19 November 2022...

поляризаторов. 10-кратное увеличение. English: Image of H-β-(2-Pyridyl)-Ala-OH microcrystals (amino acids class) grown from aqueous solution on the platinum surface...

Dakota, USA (Locality at mindat.org) Size: 7.1 x 5.4 x 2.7 cm. Sharp microcrystals of lustrous, green sincosite, a rare calcium, vanadium, phosphate, are...

rich sample of silver and tin ore which has a vug of pocket crystals (microcrystals, sub-mm druse) and also exposed, flay-laying embedded crystals of aramayoite...

Size: small cabinet, 7.1 x 5.4 x 2.7 cm Sincosite with Minyulite Sharp microcrystals of lustrous, green sincosite, a rare calcium, vanadium, phosphate, are...

projects into. This is almost unheard of from previous finds. Only microcrystals are readily available to the collector (from workings 40-50 years ago)...

контрастирования: переменный фазовый контраст. English: Human Tear Microcrystals Date 25 December 2020, 17:45:30 Source Own work Author Anatoly Mikhaltsov...

категории - кристаллы. English: One of the forms of microcrystal grown in saline solution. Photos of microcrystals are taken through a microscope, each crystal...

is a remarkably rich, sparkling specimen just smothered with sharp microcrystals of this rare species (to perhaps 1mm...certainly eye visible). This...

rich sample of silver and tin ore which has a vug of pocket crystals (microcrystals, sub-mm druse) and also exposed, flay-laying embedded crystals of aramayoite...

orange-brown microcrystals from the name-sake Type Locality. It is a small specimen, but a very rich one with high quality microcrystals in rich covering...

euhedral crystals of superb quality. A rich druse of glistening, sugary microcrystals contrasting against the dolomite matrix completes the visual appeal...

display value - more than most such. The two arrows point to the marrite microcrystals (one or two at each arrow). The rest is galena. The marrite is dull...

dresserite), on calcite and small quartz crystals. The little black microcrystals atop may be donnayite but I am not sure. The quarry has been inactive...

rich sample of silver and tin ore which has a vug of pocket crystals (microcrystals, sub-mm druse) and also exposed, flay-laying embedded crystals of aramayoite...

(Locality at mindat.org) Size: 6.5 x 4.0 x 2.2 cm. A specimen with microcrystals of Brackebuschite, from the type locality. These were found as far back...

district, Yancowinna County, New South Wales, Australia Description: Microcrystals of yellowish corkite and green tsumebite. JSS specimen and photo. Date...

(Locality at mindat.org) Size: 6.5 x 4.0 x 2.2 cm. A specimen with microcrystals of Brackebuschite, from the type locality. These were found as far back...

who invented the so-called "Perky Box" for thumbnails (it also has microcrystals of lotharmeyerite. examine the specimen VERY CLOSELY with a stereo scope...

rich sample of silver and tin ore which has a vug of pocket crystals (microcrystals, sub-mm druse) and also exposed, flay-laying embedded crystals of aramayoite...

DescriptionThérèsemagnanite & Guarinoite.jpg English: Deep pink microcrystals of the extremely rare thérèsemagnanite associated to pale pink crystals of...

projects into. This is almost unheard of from previous finds. Only microcrystals are readily available to the collector (from workings 40-50 years ago)...

projects into. This is almost unheard of from previous finds. Only microcrystals are readily available to the collector (from workings 40-50 years ago)...

Castrovirreyna Province, Huancavelica, Peru Original description: Prismatic microcrystals of Seligmanite generously scattered on a matrix of a large dull bronze...

DescriptionGold-266950.jpg English: Gold Locality: Valentines Prospect, Uruguay (Locality at mindat.org) Size: 5.4 x 3.5 x 2.1 cm. Microcrystals of rich, yellow...

orange-brown microcrystals from the name-sake Type Locality. It is a small specimen, but a very rich one with high quality microcrystals in rich covering...

lustrous, blood-red cinnabar microcrystals. The third side is totally covered with brick-red cinnabar, in microcrystals or in massive form. Seldom seen...

Sterling Iron Mine at Antwerp. Brassy millerite microcrystals and black, bladed stilpnomelane microcrystals RICHLY cover both sides of this two-sided specimen...

brick-red specimen is SOLID minium, either as microcrystals or in massive form. Sparkly lead microcrystals RICHLY cover one face and are scattered on other...

Sterling Iron Mine at Antwerp. Brassy millerite microcrystals and black, bladed stilpnomelane microcrystals RICHLY cover both sides of this two-sided specimen...

discrete microcrystals of the hydrated uranyl vanadate tyuyamunite. One side of the piece also has sparkly, forest-green volborthite microcrystals with tyuyamunite...

Type Locality - Leadhills, Scotland. Gemmy, turquoise-blue caledonite microcrystals are richly scattered in the two prominent vugs in the quartz-rich matrix...

to brick-red specimen is solid minium, either as microcrystals or in massive form. Lead microcrystals, as discrete crystals or as clusters or masses are...

previous finds - certainly I had never seen the like for sale. Only microcrystals are readily available to the collector, and those not easily found on...

to brick-red specimen is solid minium, either as microcrystals or in massive form. Lead microcrystals, as discrete crystals or as clusters or masses are...

DescriptionGold-266951.jpg English: Gold Locality: Valentines Prospect, Uruguay (Locality at mindat.org) Size: 5.4 x 3.5 x 2.1 cm. Microcrystals of rich, yellow...

Sterling Iron Mine at Antwerp. Brassy millerite microcrystals and black, bladed stilpnomelane microcrystals RICHLY cover both sides of this two-sided specimen...

renowned for its wealth of secondary tellurium minerals. Pastel-yellow microcrystals and crusts of paratellurite richly cover both sides of the quartz-rich...

Type Locality - Leadhills, Scotland. Gemmy, turquoise-blue caledonite microcrystals are richly scattered in the two prominent vugs in the quartz-rich matrix...

3.2 by 2.3 cms mass of botryoidal brass-yellow Marcasite covered by microcrystals of silvery Siegenite. JSS specimen and photo. Deutsch: Siegenit Fundort:...

previous finds - certainly I had never seen the like for sale. Only microcrystals are readily available to the collector, and those not easily found on...

of light green chenevixite microcrystals and plates. An extra bonus finds lustrous, dark olive-green olivenite microcrystals in some of the boxes. Excellent...

Type Locality - Leadhills, Scotland. Gemmy, turquoise-blue caledonite microcrystals are richly scattered in the two prominent vugs in the quartz-rich matrix...

x 3.2 cm. Super-sparkly, gemmy and lustrous, emerald-green dioptase microcrystals richly fill the vuggy matrix on this fine specimen from the Tsumeb Mine...

nickel analogue of tsumcorite and cobalttsumcorite. It occurs as yellow microcrystals lining a small vug, with some very nice apple green annabergite crystals...

selectively coated (on one side, that is) by a later generation of creamy microcrystals. You can display this piece as shown, or with the galena crystals in...

Size: small cabinet, 6.5 x 4.0 x 2.2 cm Brackebuschite A specimen with microcrystals of Brackebuschite, from the type locality! These were found as far back...

combination specimen of glassy, multi-hued blue clinoclase microcrystals and green olivenite microcrystals covering two sides of the quartz-rich matrix. This...

Sterling Iron Mine at Antwerp. Brassy millerite microcrystals and black, bladed stilpnomelane microcrystals RICHLY cover both sides of this two-sided specimen...

dresserite), on calcite and small quartz crystals. The little black microcrystals atop may be donnayite but I am not sure. Specimens, particularly with...

Type Locality - Leadhills, Scotland. Gemmy, turquoise-blue caledonite microcrystals are richly scattered in the two prominent vugs in the quartz-rich matrix...

of light green chenevixite microcrystals and plates. An extra bonus finds lustrous, dark olive-green olivenite microcrystals in some of the boxes. Excellent...

discrete microcrystals of the hydrated uranyl vanadate tyuyamunite. One side of the piece also has sparkly, forest-green volborthite microcrystals with tyuyamunite...

lustrous, blood-red cinnabar microcrystals. The third side is totally covered with brick-red cinnabar, in microcrystals or in massive form. Seldom seen...

lustrous, blood-red cinnabar microcrystals. The third side is totally covered with brick-red cinnabar, in microcrystals or in massive form. Seldom seen...

Mine back in the 1960s. Kinoite forms microcrystals of an intense deep blue color associated with clear microcrystals of apophyllite (this association is...

County, New Mexico, USA Description: Mass of yellow to greenish yellow microcrystals of Corkite on cubic Fluorite crystals. JSS specimen and photo. Acquired...

Mine back in the 1960s. Kinoite forms microcrystals of an intense deep blue color associated with clear microcrystals of apophyllite (this association is...

dresserite), on calcite and small quartz crystals. The little black microcrystals atop may be donnayite but I am not sure. Specimens, particularly with...

lustrous, royal-blue papagoite microcrystals. One side of this excellent piece is richly covered with aquamarine ajoite microcrystals next to the papagoite. It...

lustrous, blood-red cinnabar microcrystals. The third side is totally covered with brick-red cinnabar, in microcrystals or in massive form. Seldom seen...

lustrous, royal-blue papagoite microcrystals. One side of this excellent piece is richly covered with aquamarine ajoite microcrystals next to the papagoite. It...

glassy and gemmy, pastel-green senegalite microcrystals on a superbly complimentary turquoise microcrystal-lined limonite gossan matrix. Deutsch: Senegalit...

glassy and gemmy, pastel-green senegalite microcrystals on a superbly complimentary turquoise microcrystal-lined limonite gossan matrix. Deutsch: Senegalit...

DescriptionPoyarkovite.jpg English: Hundreds of brown microcrystal aggregates of the extremely rare Hg mineral poyarkovite from Chihuahua, Mexico, on...

District, Pinal County, Arizona, USA (Locality at mindat.org) A sparkling, microcrystal druse, of gemmy, emerald green, dioptase has formed a crust on matrix...

DescriptionGaravellite.jpg English: Black microcrystal aggregates of the very rare sulphide mineral garavellite from the type locality in Frigido mine...

DescriptionÖrebroite.jpg English: Brown microcrystal of the very rare mineral örebroite from the type and only known locality worldwide in Orebro (Sjögruvan...

mindat.org) Size: miniature, 4.3 x 2.6 x 1.4 cm Dioptase A sparkling, microcrystal druse, of gemmy, emerald green, dioptase has formed a crust on matrix...

light is due to its shell being composed of anisotropically arranged microcrystals of calcium carbonate. These crystals cause light to propagate at different...

light is due to its shell being composed of anisotropically arranged microcrystals of calcium carbonate. These crystals cause light to propagate at different...

to form strong coccospheres), holococcoliths (coccoliths formed from microcrystals in the haploid life cycle phase), Braarudosphaera (pentagonal, laminated...

birefringence under polarized light because it is composed of anisotropic microcrystals that alter the speed of light depending on its direction of propagation...

mindat.org) From last years exciting find in China, sparkly, deep blue microcrystals of azurite in a shallow pocket, with botryoidal form. 8.7 x 6.2 x 6...

birefringence under polarized light because it is composed of anisotropic microcrystals that alter the speed of light depending on its direction of propagation...

complex lithium silicate, unique to this Greenland locality. Brown microcrystals richly cover the front of the thumbnail matrix. Rarely available. Ex...

and BEAUTIFUL Tsumeb specimen of very sparkly, green cuprian adamite microcrystals on matrix. Ex Willy Israel Collection, who purchased this piece from...

and then were decorated with a final generation of sparkly quartz microcrystals. From the noted collection of Paul Jung, recently dispersed at the Denver...

x 5 cm. Paralaurionite is a rare lead species usually occurring as microcrystals. However there was once a find here which redefined the species. This...

Africa (Locality at mindat.org) A very colorful specimen chock-full of microcrystals of sugilite which are just eye-visible, and form a rich carpet through...

5.2 x 4.3 x 3.1 cm. An excellent reference specimen with beautiful microcrystals on alunite. Deutsch: Rodalquilarit, Alunit Fundort: Wendy open pit,...

mindat.org) A unique combo specimen from Onganja featuring embedded microcrystals of the copper mineral chalcotrichite, with deep red color, that have...

DescriptionAzurite-70678.jpg English: Azurite Locality: Anhui Province, China (Locality at mindat.org) An intact pocket of sparkly azurite microcrystals, accented by...

This very rare copper mineral is here present as beautiful sparkling microcrystals (though most are smaller than 0.2mm, some few are larger), like broken...

Description: Ashburtonite is a very rare hydrated Pb-Cu silicate. Bright blue microcrystals and crusts cover part of the hefty for its size oxidized matrix. An...

DescriptionAzurite-70710.jpg English: Azurite Locality: Zacatecas, Mexico (Locality at mindat.org) This is a BIG specimen of sparkly, deep blue microcrystals of azurite...

exciting finds in China. A very aesthetic piece, not just with a druse of microcrystals but with distinct crystals. 8 x 6.3 x 4.9 cm Deutsch: Azurit Fundort:...

DescriptionAzurite-43282.jpg English: Azurite Locality: Anhui Province, China (Locality at mindat.org) Extremely sparkly, deep blue azurite microcrystals on a matrix...

DescriptionAtacamite-62795.jpg English: Atacamite Locality: Copiapó Province, Atacama Region, Chile (Locality at mindat.org) A plate of deep green microcrystals of atacamite...

at mindat.org) The vast majority of Chinese azurites are druses of microcrystals. Rarely, you get one with easily distinguishable and relatively large...

selectively coated on some faces with (and sitting on) frosty calcite microcrystals. Pretty! 4.1 x 2.4 x 2.6 cm Deutsch: Fluorit, Calcit Fundort: Naica...

mindat.org) Size: 4.3 x 3.5 x 2.8 cm. A specimen rich with small red microcrystals of the rare arsenate Jamesite, from the type locality, in veins mixed...

Sparkly and golden floater "sun" of pyrite, complete all around, with microcrystals in the center and larger, euhedral crystals around the periphery. 6...

(Locality at mindat.org) A dazzling and large specimen of peacock-blue microcrystals of cavansite sprinkled on a bed of pearly stilbite bowtie crystals!...

cm. Two pockets, side by side, completely lined with rich, deep blue microcrystals of azurite. The surrounding malachite provides the green accents. Deutsch:...

specimen of solid, lavender sugilite richly embedded with purple sugilite microcrystals. VERY UNCOMMON with this richness. The crystals are small, but so bright...

Chinese find. This striking ball of parallel bands of sparkly pyrite microcrystals and shale looks like a hand-woven basket or clay pot with a very intricate...

6.0 cm. Sparkling botryoids of intergrown, light pink rhodochrosite microcrystals are festooned on all sides of the 3-dimensional, cabinet matrix on this...

coating of the very rare species Jouravskite. The carpet of gemmy yellow microcrystals (up to 1 mm) covers much of the matrix on the presentation side. Ex...

a very rare Pb-chromate. Red phoenicochroite and orange hemihedrite microcrystals richly cover the matrix on this excellent combination example from this...

CABINET specimen richly covered with sparkly, flat, robins egg-blue, microcrystals of posnjakite on nicely shaped blocky matrix from the famous Drakewalls...

this famous Canadian mine is the Type Locality. Irregular masses and microcrystals of bronze-metallic arsenohauchecornite are noted on three sides of the...

royal blue color in hemimorphite. Lustrous spherical aggregates of microcrystals, up to .7 cm, completely cover the host matrix. Color wise, this is...

of a pocket of deep blue azurite crystals, not the typical druse of microcrystals, but of enough size that you get super flashiness coming off the faces...

obscure mine from the famous Tombstone District. Small clusters and microcrystals of flashy bronze empressite are scattered on all sides of the quartz-rich...

collectors, from this classic locality. This one sports rich yellow microcrystals all over th edisplay face. 1.9 x 1.8 x 1.1 cm Deutsch: Kleinit Fundort:...

mindat.org) Size: 5.0 x 3.1 x 2.4 cm. A rare uranium species, yellow microcrystals in contrasting matrix. Apparently a very uncommon example and the only...

siliceous matrix point toward clusters of the bright, gold-red metallic microcrystals. Ex. Josef Vajdak Collection Deutsch: Auricuprid Fundort: Lagerstätte...

rhodochrosite scalenohedron preferentially coated with sparkly quartz microcrystals from the famous Santa Eulalia District of Mexico. This is an exceptionally...

sharp, scalenohedral calcites (to 3 cm) are dusted with bright pyrite microcrystals to create a big, dazzling Russian showpiece. A couple of tip dings,...

obscure mine from the famous Tombstone District. Small clusters and microcrystals of flashy bronze empressite are scattered on all sides of the quartz-rich...

9 x 3.4 cm. A fine, old Wheatley Mine pyromorphite with a carpet of microcrystals. Probably from the 1800s to early 1900s. Deutsch: Pyromorphit Fundort:...

rare copper-lead carbonate/sulfate caledonite, showing the typical microcrystals of stunning bright blue-green color. Deutsch: Caledonit Fundort: Cerro...

with exceptional lustre for the species, sitting on drusy mottramite microcrystals. Ex. Willy Israel Collection. Deutsch: Mottramit Fundort: Tsumeb Mine...

obscure mine from the famous Tombstone District. Small clusters and microcrystals of flashy bronze empressite are scattered on all sides of the quartz-rich...

of this large matrix is richly lined with shimmering, salmon-colored microcrystals of rhodochrosite. Ex. Stoudt Collection. Deutsch: Rhodochrosit Fundort:...

colorful crystals perched in matrix of feldspar, dotted with unusual green microcrystals of some kind of muscovite species. Deutsch: Helvin Fundort: Wushan Spessartine...

5 x 3 cm. This smoky cerussite is heavily coated by brilliant green microcrystals of duftite on one side, though not at all on the other. Ex. Willy Israel...

specimen completely covered on 3 sides with brilliant lemon-yellow microcrystals of the very rare species, Jouravskite. Deutsch: Jouravskit Fundort:...

matrix are filled on every side of the specimen with velvety, acicular microcrystals of beautiful blue-green aurichalcite. Classic, old material from the...

lathe-shaped crystals of tellurium admixed with sparkling rickardite in microcrystals around it. Rickardite is a SUPER RARE copper telluride, first discovered...

lathe-shaped crystals of tellurium admixed with sparkling rickardite in microcrystals around it. Rickardite is a SUPER RARE copper telluride, first discovered...

color I have yet seen in cornetite, composed of a velvety carpet of microcrystals that glistens in person; and is not flat in lustre at all as appears...

small cabinet, 8.2 x 5.7 x 5.0 cm Ferroan Variscite Intensely colored microcrystals in several protected cavities! Deutsch: Variscit Fundort: Boa Vista...

x 2.0 cm. A showy specimen, richly covered with sparkly, dark green microcrystals of herbertsmithite, an ultra rare copper, zinc halide from near the...

mindat.org) Size: 4.7 x 3.9 x 2.4 cm. Beautiful sparkly rhodochrosite in microcrystals coats this entire surface. Very3-dimensional! While this style of rhodo...

from the famous East Colusa Mine at Butte nicely accented with pyrite microcrystals. Highly representative material. Old material. Deutsch: Covellin Fundort:...

humite group, and this specimen is unusually rich with gemmy brown microcrystals to 2 mm flatlaying along an approximately 3-cm vertical axis on this...

(Locality at mindat.org) Size: 0.9 x 0.7 x 0.5 cm. Rich, beautiful blue microcrystals of keyite from the type locality. Ex. Neal Yedlin and Charles and Marcelle...

9 x 3.4 cm. A fine, old Wheatley Mine pyromorphite with a carpet of microcrystals. Probably from the 1800s to early 1900s. Deutsch: Pyromorphit Fundort:...

small cabinet, 8.2 x 5.7 x 5.0 cm Ferroan Variscite Intensely colored microcrystals in several protected cavities! Deutsch: Variscit Fundort: Boa Vista...

matrix. Adjacent to the wulfenites are patches of rust-brown vanadinite microcrystals. Ex. Harvard and George Elling Collections. Deutsch: Wulfenit, Vanadinit...

specimen completely covered on 3 sides with brilliant lemon-yellow microcrystals of the very rare species, Jouravskite. Ex. Martin Zinn Collection. Deutsch:...

mm crystal in matrix of feldspar, which is dotted with unusual green microcrystals of some kind of muscovite species. Deutsch: Helvin Fundort: Wushan Spessartine...

super-rare and sought-after. This is a chunk of matrix rich with massed microcrystals of demantoid, and with, at one end, some more sizeable crystals - the...

x 5.2 cm. Sparkling, gemmy, emerald-green, orthorhombic libethenite microcrystals are festooned on the complimentary malachite crust on quartz matrix...

and exceptional specimen of lustrous, bright orange-yellow kleinite microcrystals richly covering the starkly contrasting, white calcite and brecciated...

Democratic Republic of Congo (Zaïre) (Locality at mindat.org) curite microcrystals in massive schoepite. 2.6 x 2.6 x 2.2 cm Deutsch: Schoepit, Curit Fundort:...

USA (Locality at mindat.org) Size: 4.8 x 3.8 x 3.4 cm. Intense red microcrystals or druse coating matrix, of this lead oxide species. The matrix seems...

This striking, flattened ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot with a stylized...

mindat.org) Size: 4.4 x 3.8 x 1.8 cm. Vivid, sub-mm, azure-blue kinoite microcrystals are festooned on sparkling apophyllite-coated matrix on this showy,...

attractive and very unusual stalactite of Rhodochrosite, peppered with small microcrystals of sharp black manganite. While none of the stalks are complete, it...

of mixed little euhedral, gemmy hexagonal crystals with small sugary microcrystals. Deutsch: Ettringit Fundort: Hotazel mine, Hotazel, Kalahari manganese...

5.2 x 4.3 x 3.1 cm. An excellent reference specimen with beautiful microcrystals on alunite. Deutsch: Rodalquilarit, Alunit Fundort: Wendy open pit,...

apophyllites in a pretty cluster on a matrix covered with snowy stilbite microcrystals. Beautiful! 8.6 x 4.9 x 3.6 cm Deutsch: Apophyllit, Stilbit Fundort:...

5 x 3 cm. This smoky cerussite is heavily coated by brilliant green microcrystals of duftite on one side, though not at all on the other. Ex. Willy Israel...

x 2.3 x 1.0 cm Botallackite A small matrix specimen hosting myriad microcrystals of the rare species botallackite, obtained from dealer A.L. McGuiness...

rare copper-lead carbonate/sulfate caledonite, showing the typical microcrystals of stunning bright blue-green color. Deutsch: Caledonit Fundort: Cerro...

specimen of stair-step stacked fluorite cubes peppered with marcasite microcrystals from the Ladywash Mine at Eyam. Interestingly, these crystals do not...

measuring 1.6 cm! Some of the crystals sit on a bed of bright dioptase microcrystals, others on the contrasting white calcite. 5 x 3.4 x 3.2 cm Deutsch:...

org) Size: miniature, 5.0 x 3.0 x 2.1 cm Villiaumite Rare, discrete microcrystals of villiaumite, from an old find in Brazil. John White purchased this...

org) A showy and excellent specimen of sparkly, rich teal-blue langite microcrystals on matrix from Ireland! Langite is a copper sulfate. Ex Marty Zinn Collection...

This very rare copper mineral is here present as beautiful sparkling microcrystals (though most are smaller than 0.2mm, some few are larger), like broken...

though a combo specimen with a beautiful balance of sparkly azurite microcrystals and pretty green malachite. Zacatecas specimens are exceptionally hard...

obscure mine from the famous Tombstone District. Small clusters and microcrystals of flashy bronze empressite are scattered on all sides of the quartz-rich...

this locality, for sure. It consists if thousands of tiny acicular microcrystals of the malachite on a spongy matrix. This has to be from the find of...

rose quartz crystals of excellent color and crowned by lustrous, green microcrystals of the rare beryllium phosphate zanazziite. This super combination piece...

rusty-red tint from inclusions of hematite, and a surface sparkle from microcrystals of calcite. From Russia - ex. J.R. Glover collection. Richard Hauck...

brown smithsonite crystals with a powdery dusting of gray hydozincite microcrystals on a nicely contrasting crust of calcite. The largest smithsonite rhomb...

set on silicified limestone matrix dusted with ruby-jack sphalerite microcrystals on this classic, old-time specimen from Picher, Oklahoma. Ex. New York...

because of the incredible sparkly the chrysocolla takes on with the microcrystals of quartz having formed over it. In this case, there are also areas...

aesthetically set on a sliver of matrix covered with sparkly childrenite microcrystals. The lustre is superb for the species. A superb example of this rare...

mindat.org) Size: 4.8 x 3.9 x 2.4 cm. Sparkly, emerald-green dioptase microcrystals cover the calcite matrix on this fine piece from the Tsumeb Mine. This...

back is the 100% coverage of sparkly, sintered, off-white, dolomite microcrystals. Ex. Rob Smith Collection. Deutsch: Willemit, Dolomit Fundort: Tsumeb...

cm. Bright ball-like clusters of sparkly, pastel-pink rhodochrosite microcrystals are stunningly perched atop glassy quartz crystal matrix on this fine...

calcite crystal, isolated on a matrix covered with sparkly stilibite microcrystals, looks like a jewel! It measures just under 3 cm across. There is a...

5 x 3.4 cm. A very rich, sparkling specimen with brilliantly green microcrystals of the rare species Bottalackite embedded in matrix, from this classic...

mm crystal in matrix of feldspar, which is dotted with unusual green microcrystals of some kind of muscovite species. Deutsch: Helvin Fundort: Tongbai...

1 x 2.3 x 1.8 cm Dyscrasite on Arsenic Brilliant, silvery-metallic microcrystals of dyscrasite atop a ridge of native arsenic ore. Beautiful under a...

But the proof that this is natural and not heated is in the little microcrystals of clear quartz that grew in a secondary generation on two of the faces...

aesthetically scattered on a matrix plate covered with kammererite microcrystals. Ex. Jaime Bird Collection. Deutsch: Klinochlor (Var.: Chromian Clinochlore(...

an incredibly rich deep blue-green – and a sprinkling of malachite microcrystals adds even more beauty to this fine specimen. This is from a now-famous...

perched atop a mounded matrix of calcite and shale with sparkly pyrite microcrystals. The gemmy and lustrous crystal is richly saturated, a deep emerald-green...

xls to 3 mm or so, perched dramatically in a crevasse. Tiny yellow microcrystals of something else in association 3.5 x 3 x 3 cm Deutsch: Hingganit-(Y)...

and showy specimen of lustrous, gemmy, emerald-green, cuprian adamite microcrystals covering the 3-dimensional gossan matrix from the Tsumeb Mine. Ex. Rob...

org) Size: 6.5 x 4.8 x 1.5 cm. Sparkly, dark grass-green conichalcite microcrystals cover botryoidal hematite matrix on this CLASSIC specimen from the famed...

richly and aesthetically scattered on matrix covered with kammererite microcrystals. Deutsch: Klinochlor (Var.: Chromian Clinochlore(?)) Fundort: Kop Krom...

Chinese find. This striking ball of parallel bands of sparkly pyrite microcrystals and shale looks like a hand-woven basket or clay pot with a very intricate...

cm on edge, perched on the edge of a shard of matrix sparkling with microcrystals of dolomite. Fluorite is complete on front, cleaved on back where removed...

has one broken crystal stalk on the back, which is out of sight. The microcrystals are really sharp and you can see why pyrargyrite is called "ruby silver...

1 x 2.3 x 1.8 cm Dyscrasite on Arsenic Brilliant, silvery-metallic microcrystals of dyscrasite atop a ridge of native arsenic ore. Beautiful under a...

from the famous East Colusa Mine at Butte nicely accented with pyrite microcrystals. Highly representative material. Old material. Deutsch: Covellin Fundort:...

from this classic mining district. The specimen is very rich with microcrystals, and a few larger aggregates to 5mm. Ex. Martin Zinn, Eric Asselborn...

org) Size: 3.7 x 3.0 x 2.8 cm. Scintillating, metallic, native bismuth microcrystals richly cover three sides of this very rich bismuth ore from the historic...

Size: 6.0 x 4.9 x 4.2 cm. Gemmy and lustrous, emerald-green dioptase microcrystals are richly peppered on the 3-dimensional cluster of stout, translucent...

rich and showy specimen is covered with sparkly, brown ardennite-(As) microcrystals to 3 mm on a quartz-rich matrix and is from the Type Locality. Ex. George...

0 cm. This fine specimen features gemmy and lustrous rhodochrosite microcrystals richly scattered on sparkly, manganite ore matrix from a rare and old-time...

Cuprotungstite. These clusters are composed of olive green tabular microcrystals. This is the first time I have seen this species even mentioned from...

rare on the market, so even though what you see here are basically microcrystals, this specimen is still a hard-to-obtain locality piece. The pyromorphite...

x 2.3 x 1.0 cm Botallackite A small matrix specimen hosting myriad microcrystals of the rare species botallackite, obtained from dealer A.L. McGuiness...

from this classic mining district. The specimen is very rich with microcrystals, and a few larger aggregates to 5mm. Ex. Martin Zinn, Eric Asselborn...

cm. A nearly solid cluster of lustrous and gemmy, ruby-red proustite microcrystals cover all sides of this fine specimen from recent finds at the Imiter...

The cubes are very nicely accented with a dusting of amber calcite microcrystals and baryte. Classic material. Ex. Jaime Bird Collection. Deutsch: Fluorit...

1 x 2.3 x 1.8 cm Dyscrasite on Arsenic Brilliant, silvery-metallic microcrystals of dyscrasite atop a ridge of native arsenic ore. Beautiful under a...

China, a matrix of solid malachite, with intense sparkly blue azurite microcrystals in a pretty balance. Deutsch: Azurit, Malachit Fundort: Liufengshan...

quartz and gossan matrix is lined with very sparkly, forest-green, microcrystals. Very rarely available material. Ex. Wes Parker Collection. Deutsch:...

specimen is from the Type Locality. Patches of forest-green zalesiite microcrystals are scattered on all sides of the matrix. A rich specimen for the locale...

striking, flattened shale ball has parallel bands of sparkly pyrite microcrystals on the sides and is solid banded pyrite on the bottom. The shale ball...

is a very rare beryllium phosphate, which occurs in sharp acicular microcrystals arranged into radiating balls as you see here. This is a rarity, seldom...

0 cm. This fine specimen features gemmy and lustrous rhodochrosite microcrystals richly scattered on sparkly, manganite ore matrix from a rare and old-time...

striking, slightly flattened ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot with a very intricate...

complete. Marcasite is usually seen as an accessory mineral in the form of microcrystals, and occurrences of large, distinct crystals such as these (to 4 cm)...

smooth medium green while the other half is coated with dark green microcrystals that sparkle like fresh green snow. Deutsch: Malachit Fundort: Kolwezi...

This striking, flattened ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot with a very intricate...

attractive and very unusual stalactite of Rhodochrosite, peppered with small microcrystals of sharp black manganite. While none of the stalks are complete, it...

6.0 cm. Sparkling botryoids of intergrown, light pink rhodochrosite microcrystals are festooned on all sides of the 3-dimensional, cabinet matrix on this...

is extremely miargyrite-rich silver ore and is loaded with euhedral microcrystals. Miargyrite is a rare silver, antimony sulfosalt. Ex. Cal Tech Collection...

A rich sprinkling of caramel-colored and dark cherry-red wulfenite microcrystals on cabinet-sized chrysocolla-rich, porphyritic copper ore from an uncommon...

it is hard to make out which is which. A "snowfall" of tan calcite microcrystals dresses up the specimen nicely. Ex. Dave Stoudt collection. Deutsch:...

Here we have a showy, old-time plate of beautiful, azure-blue azurite microcrystals richly and aesthetically covering the gossan matrix plate and nicely...

mindat.org) Size: 5.0 x 3.1 x 2.4 cm. A rare uranium species, yellow microcrystals in contrasting matrix. Apparently a very uncommon example and the only...

super-rare and sought-after. This is a chunk of matrix rich with massed microcrystals of demantoid, and with, at one end, some more sizeable crystals - the...

(Locality at mindat.org) Bright, sparkly emerald-green arsentsumebite microcrystals fill vugs in the massive galena matrix of this RARE species from Tsumeb...

Africa (Locality at mindat.org) A very colorful specimen chock-full of microcrystals of sugilite which are just eye-visible, and form a rich carpet through...

solid, layered sugilite covered on both faces with purple sugilite microcrystals. VERY UNCOMMON with this richness. The crystals are small, but so bright...

locality famous for these . . .sticking up off a curving matrix of sparkly microcrystals. The longest of the "horns" measures 6.5 cm. 14.5 x 9.2 x 7.7 cm Deutsch:...

beautiful, powder-blue and is composed of sparkly, sugary hemimorphite microcrystals. Deutsch: Hemimorphit Fundort: Wenshan Mine, Dulong ore field, Wenshan...

beautiful, powder-blue and is composed of sparkly, sugary hemimorphite microcrystals. Deutsch: Hemimorphit Fundort: Wenshan Mine, Dulong ore field, Wenshan...

ore specimen is essentially solid langbanite and the black langbanite microcrystals are beautifully complimented by the rose-red rhodonite crystals. Ex...

with scintillating botryoids of intergrown brown to gray willemite microcrystals. This is high quality willemite from this renowned locale, as most willemite...

A rich, representative sample of unusually good size overall. Small microcrystals, but there are plenty! Deutsch: Kleinit Fundort: McDermitt Mine (Cordero...

UNCOMMONLY RICH and SHOWY specimen of scintillating, turquoise-blue langite microcrystals from a small new find in the Slovak Republic, that I found at Munich...

is a large, quartz-lined vug richly sprinkled with isolated dioptase microcrystals. Ex. Fred Pough and George Elling Collections. Deutsch: Dioptas Fundort:...

old-time, cabinet, Colorado specimen of bright, canary-yellow tyuyamunite microcrystals richly covering both sides of the blocky, Jurassic-aged, Morrison Sandstone...

this old-time specimen features metallic, gray needles to 7 mm and microcrystals richly scattered on the quartz-rich sulfide matrix. This is classic...

Vista pegmatite of Minas Gerais features sparkly, cherry-red variscite microcrystals richly scattered in a very starkly contrasting snow-white matrix. Deutsch:...

China, a matrix of solid malachite, with intense sparkly blue azurite microcrystals in a pretty balance. Deutsch: Azurit, Malachit Fundort: Liufengshan...

This very rare copper mineral is here present as beautiful sparkling microcrystals (though most are smaller than 0.2mm, some few are larger), like broken...

sides of the main crystal show inclusions of sparkly, brassy, pyrite microcrystals. The sidecar crystals, the unusual, notched, stepped-growth, basal termination...

calcite rhombs with a secondary overgrowth of cream-colored calcite microcrystals. This is a very distinctive specimen from a small new pocket found at...

is beautifully lined with sparkly, drusy, apple-green arsentsumebite microcrystals. Tsumeb is the Type Locality for this ULTRA-RARE lead copper arsenate...

uncommonly rich and fine specimen of scintillating, turquoise-blue langite microcrystals from a small 2006 find in Slovakia. The intense color saturation of...

striking, slightly flattened ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot inset with pieces...

sculptural, terraced vugs filled with sparkly, forest-green brochantite microcrystals and lighter green malachite. Each vug has a different character, which...

crystal is large for the species and locale. Stringers of bright pyrite microcrystals are a nice accent. Ex. Eric Asselborn Collection. This is one of the...

slightly flattened, oval ball of parallel bands of sparkly pyrite microcrystals on shale looks like a hand-woven basket or clay pot with a very intricate...

specimen covered with sparkly, sugary, nubby, pastel-pink, rhodochrosite microcrystals from the famous Zinc Corporation Mine at Broken Hill. Ex. Mark Feinglos...

richly and aesthetically scattered on matrix covered with kammererite microcrystals. Deutsch: Klinochlor (Var.: Chromian Clinochlore(?)) Fundort: Kop Krom...

mindat.org) Size: 6.5 x 5.1 x 2.1 cm. A plate of sparkling, deep blue microcrystals of azurite from China, on a matrix of massive malachite (which adds...

metallic-gray anatase crystal beautifully set on contrasting, snow-white albite microcrystals from the famed Valdres Region of Norway. Ex. Gary Hansen Collection...

available in Europe as only a few specimens. Bright, canary-yellow, microcrystals and crusts of ettringite on matrix from a very uncommon worldwide locality...

several mm in size against a carpet of lavender erythrite (fibrous, hairy microcrystals). This specimen presents an aesthetic quality very rare for the material...

Tsumeb miniature of a 2.0 cm, puffball of lustrous primary malachite microcrystals nicely set on matrix covered with very glassy, colorless, flattened...

mindat.org) Size: 4.3 x 3.5 x 2.8 cm. A specimen rich with small red microcrystals of the rare arsenate Jamesite, from the type locality, in veins mixed...

deep salmon pink, and the crystals are not just your typical druse of microcrystals, but are quite sizeable and flashy! 10.5 x 10 x 4 cm Deutsch: Dolomit...

specimen is from the Type Locality. Patches of forest-green zalesiite microcrystals are scattered on all sides of the matrix. A rich specimen for the locale...

specimen covered with sparkly, sugary, nubby, pastel-pink, rhodochrosite microcrystals from the famous Zinc Corporation Mine at Broken Hill. Ex. Mark Feinglos...

really beautiful leaf gold thumbnail comprised entirely of rich golden microcrystals from the Lizard Ridge Mine of Humboldt County, Nevada. A fascinating...

x 2.0 cm. A showy specimen, richly covered with sparkly, dark green microcrystals of herbertsmithite, an ultra rare copper, zinc halide from near the...

conventional quartz crystals that were covered with a thick layer of quartz microcrystals during a subsequent phase in the pocket in which they formed. 7.2 x...

specimen of solid, layered sugilite richly covered with purple sugilite microcrystals. VERY UNCOMMON with this richness. The crystals are small, but so bright...

specimen of solid, layered sugilite richly covered with purple sugilite microcrystals. VERY UNCOMMON with this richness. The crystals are small, but so bright...

bright cabinet specimen is richly covered with canary-yellow, discrete, microcrystals of the hydrated calcium uranyl vanadate tyuyamunite. This is an excellent...

jpg English: Haynesite Locality: Repete Mine, Blanding, San Juan County, Utah, USA (Locality at mindat.org) ULTRA-RARE, yellow microcrystals of the...

1 x 2.3 x 1.8 cm Dyscrasite on Arsenic Brilliant, silvery-metallic microcrystals of dyscrasite atop a ridge of native arsenic ore. Beautiful under a...

mindat.org) Is this gorgeous, or WHAT? Super-bright and sparkly pyrite microcrystals cloat calcite crystals, with a later generation of calcites having grown...