Mineral | Chalcocite |
---|---|
Formula | Cu2S |
Crystal Form | Monoclinic/Prismatic [2/m] |
Cleavage | Indistinct on (110) |
Color | Blue black, Gray, Black, Black gray, Steel Gray |
Density | 5.5 – 5.8 g/cm3 |
Diaphaneity | Opaque |
Fracture | Conchoidal |
Hardness | 2.5 - 3.0 |
Lustre | Metallic |
Streak | Blackish Gray |
Dana 8 Class | 2.4.7.1 |
Strunz Class | 2/B.01-10 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 339 |