Macedonite
| Macedonite | |
|---|---|
| General | |
| Category | Minerals |
| Formula | PbTiO3 |
| IMA symbol | Mce |
| 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 | |
| SMILES [Pb+2].[O-][Ti](=O)[O-] (SMILES input only shows in Preview. SMILES is used to create the Jmol 3D image.) | |
| 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.