Mineral | Franckeite |
---|---|
Formula | Fe2+(Pb,Sn2+)6Sn4+2Sb2S14 |
Crystal Form | Triclinic/Pinacoidal [1] |
Cleavage | [001] Perfect |
Color | Grayish black, Blackish gray |
Density | 5.5 – 5.9 g/cm3 |
Diaphaneity | Opaque |
Fracture | Flexible |
Hardness | 2.5 |
Lustre | Metallic |
Streak | Grayish black |
Dana 8 Class | 3.1.4.2 |
Strunz Class | II/C.17-70 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 177 |