Stephanite | |
Chemical Formula |
Ag5SbS4 |
Species |
Sulfides |
Crystal System |
Orthorhombic |
Mohs Scale |
2 |
Specific Gravity |
6.26 |
Color |
Lead grey to black |
Streak |
Iron black |
Luster |
Metallic |
Diaphaneity |
Opaque |
Cleavage |
Imperfect/Fair Imperfect, Poor |
Fracture |
Sub-Conchoidal |
Crystal Habit:Tabular, pseudo-hexagonal crystals; massive | |
Geological Setting:Late stage mineral in hydrothermal silver deposits. |