| Mineral | Tetrahedrite |
|---|---|
| Formula | (Cu,Fe,Ag,Zn)12Sb4S13 |
| Crystal Form | Isometric/Hexoctahedral [4/m 3 2/m] |
| Color | Steel-gray to Iron-gray |
| Density | 4.6 – 5.2 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Sub-conchoidal |
| Hardness | 3.5 - 4.0 |
| Lustre | Metallic |
| Streak | Black, Brown to Dark red |
| Dana 8 Class | 3.3.6.1 |
| Strunz Class | II/C.11-40 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 115 |