| Mineral | Stephanite |
|---|---|
| Formula | Ag5SbS4 |
| Crystal Form | Orthorhombic/Pyramidal [mm2] |
| Cleavage | [010] Imperfect, [021] Poor |
| Color | Lead gray or Black |
| Density | 6.3 – 6.3 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Sub-Conchoidal |
| Hardness | 2.0 - 2.5 |
| Lustre | Metallic |
| Streak | Iron black |
| Dana 8 Class | 3.2.4.1 |
| Strunz Class | II/E.06-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 195 |