Stefanit

Structural context

Stephanite
Crystal System orthorhombicCrystal Class orthorhombic pyramidalSpace Group Cmc21

Chemical context

Stoichiometric formulas

Stephanite
mindat.org
  • March 13, 2023Ag5SbS4
IMA
  • March 13, 2023Ag5SbS4
mineralogy.rocks
  • Aug. 30, 2022Ag5SbS4

Physical properties

ColorColor entities, recognized using a custom trained NER model
  • lead gray
    Color noteOriginal color note from the source
    Lead gray or black
    StreakStreak entities, recognized using a custom trained NER model
    • iron black
    Streak noteOriginal streak note from the source
    Iron black
    Lustre
    Metallic
    Fracture
    Sub-Conchoidal
    Transparency
    Opaque
    Luminescence
    None
    Tenacity
    brittle
    Hardness
    2—2.5
    Calculated density
    6.28