Argyrodite | |
Chemical Formula |
Ag8GeS6 |
Species |
Sulfides |
Crystal System |
Orthorhombic |
Mohs Scale |
2-3 |
Specific Gravity |
6.2-6.5 |
Color |
Black, purplish tinge |
Streak |
grey-black |
Luster |
Metallic |
Diaphaneity |
Opaque |
Cleavage |
Absent |
Fracture |
Irregular/Uneven, Conchoidal |
Crystal Habit:Pseudo-octahedra, dodecahedra, cubes; radiating crystal aggregates, botryoidal crusts, or massive | |
Geological Setting:Low temperature polymetallic deposits, high temperature Ag-Sn deposits. |