| Mineral | Wurtzite |
|---|---|
| Formula | (Zn,Fe)S |
| Crystal Form | Hexagonal/Dipyramidal [6/m] |
| Cleavage | [11-20] Very good |
| Color | Dark reddish-brown to black, orange-brown |
| Density | 4.0 – 4.1 g/cm3 |
| Diaphaneity | Translucent |
| Fracture | Irregular/Uneven |
| Hardness | 3.5 - 4.0 |
| Lustre | Resinous - Metallic |
| Streak | Brown |
| Dana 8 Class | 2.8.7.1 |
| Strunz Class | II/C.13-10 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 181 |