| Mineral | Fornacite |
|---|---|
| Formula | Pb2Cu(CrO4)(AsO4)(OH) |
| Crystal Form | Monoclinic/Prismatic [2/m] |
| Cleavage | None |
| Color | Deep olive-green; golden yellow in transmitted light (small grains). |
| Density | 6.3 – 6.3 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Irregular, Sub-conchoidal |
| Hardness | 2.0 - 3.0 |
| Lustre | Resinous, Waxy, Greasy |
| Streak | Olive green |
| Type Loc. | Renéville Mine, Renéville, Kindanba Dist., Pool Dept., Republic of Congo |
| Dana 8 Class | 43.4.3.2 |
| Strunz Class | 6/F.02-20 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 325 |