Macedonite
 | This article relies largely or entirely on a single source. (March 2021) |
| Macedonite | |
|---|---|
| General | |
| Category | Minerals |
| Formula | PbTiO3 |
| IMA symbol | Mce[1] |
| Strunz classification | 4.CC.35 |
| Dana classification | 4.3.6.1 |
| Crystal system | Tetragonal |
| Space group | P4/nmm |
| Unit cell | a = 3.90 Å, c = 4.18 Å Z=1 V=63.58 Å3 |
| Structure | |
| Identification | |
| Colour | black |
| Tenacity | very brittle |
| Mohs scale hardness | 6 |
| Luster | vitreous |
| Diaphaneity | opaque |
| Specific gravity | 7.82 |
| Optical properties | Uniaxial |
Macedonite is a mineral named by Radusinović and Markov in 1971. It has the elemental formula PbTiO3 and exhibits tetragonal crystal system. The type locality is near Crni Kamen, Selecka Planina, Prilep Municipality, North Macedonia. It can be confused with perovskite. It is found in an amazonite-rich area.[2]
Fame
Lead titanate, which is the premier piezoelectric material, had not been previously reported in the wild.[2]
References
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ a b Radusinović, D. and C. Markov (1971) Macedonite - lead titanate: a new mineral. American Mineralogist: 56: 387-394
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