استفانیت
Sign in to saveStephanite is a silver antimony sulfosalt mineral with formula: Ag5SbS4. It is composed of 68.8% silver, and sometimes is of importance as an ore of this metal.
Key facts
- Mineral.name
- Stephanite
- Mineral.category
- Sulfosalt mineral
- Mineral.image
- Stephanite-oldeuro-119a.jpg
- Mineral.formula
- Ag5SbS4
- Mineral.IMAsymbol
- Sph
- Mineral.strunz
- 2.GB.10
- Mineral.dana
- 03.02.04.01
- Mineral.system
- Orthorhombic
- Mineral.class
- Pyramidal (mm2) H-M symbol: (mm2)
- Mineral.symmetry
- Cmc21
- Mineral.colour
- Lead grey to black
- Mineral.habit
- Tabular, pseudo-hexagonal crystals; massive
- Mineral.twinning
- Common on [110] repeated, forms pseudohexagonal groupings
- Mineral.cleavage
- Imperfect on {010}, poor on {021}
- Mineral.fracture
- Subconchoidal
- Mineral.tenacity
- Brittle
- Mineral.mohs
- 2.0–2.5
- Mineral.lustre
- Metallic
via Wikipedia infobox