| Mineral | Tennantite |
|---|---|
| Formula | Cu6[Cu4(Fe,Zn)2]As4S13 |
| Crystal Form | Isometric/Hextetrahedral [4 3m] |
| Color | Grey-black, Steel-gray, Iron-gray, Black |
| Density | 4.6 – 4.6 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Sub-conchoidal |
| Hardness | 3.0 - 4.5 |
| Lustre | Metallic |
| Streak | Reddish grey, Black, Red-brown |
| Type Loc. | Cornwall, England, UK |
| Dana 8 Class | 3.3.6.2 |
| Strunz Class | 2/C.11-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 367 |