| Mineral | Tiemannite |
|---|---|
| Formula | HgSe |
| Crystal Form | Isometric/Hextetrahedral [4 3m] |
| Color | Steel-gray to black |
| Density | 8.2 – 8.5 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Irregular/Uneven, Conchoidal |
| Hardness | 2.5 |
| Lustre | Opaque |
| Streak | Black |
| Type Loc. | St Lorenz Mine, Clausthal-Zellerfeld, Goslar Dist., Lower Saxony, Germany |
| Dana 8 Class | 2.8.2.4 |
| Strunz Class | 2.CB.05a |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 515 |