Chalcostibite | |
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General | |
Category | Chalcostibite Group |
Formula (repeating unit) | CuSbS2 |
IMA symbol | Ccsb[1] |
Strunz classification | 02.HA.05 |
Dana classification | 03.07.05.01 |
Crystal system | Orthorhombic |
Space group | Pnam (no. 62) |
Identification | |
Colour | Lead-gray, iron gray |
Crystal habit | Granular |
Cleavage | (001) |
Fracture | Sub-Conchoidal |
Tenacity | Brittle |
Mohs scale hardness | 3–4 |
Luster | Metallic |
Streak | Black |
Diaphaneity | Opaque |
Specific gravity | 4.9 – 5 |
Density | 4.9 – 5 g/cm3 (Measured) 5.011 g/cm3 (Calculated) |
Pleochroism | Weak |
Ultraviolet fluorescence | Non-fluorescent |
References | ,[2][3] |
Chalcostibite is a copper antimony sulfide mineral.
Příbramite is related, having selenium instead of sulfur. Emplectite contains bismuth instead of antimony.