| Mineral | Boulangerite |
|---|---|
| Formula | Pb5Sb4S11 |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | Distinct/Good on {100} |
| Color | Lead gray |
| Density | 6.2 – 6.2 g/cm3 |
| Diaphaneity | Opaque |
| Fracture | Brittle, Flexible in thin crystals |
| Hardness | 2.5 - 3.0 |
| Lustre | Metallic |
| Streak | Brownish |
| Type Loc. | Molières-Cavaillac, Le Vigan, Gard, Occitanie, France |
| Dana 8 Class | 3.5.2.1 |
| Strunz Class | 2.HC.15 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 494 |