Opaque
Estannita
Scalenohedral
H-M symbol:
Stannite
Stannita
Станін
sulfosalt mineral
Metallic
黄錫鉱
minéral
sulfidimineraali
Steel-gray to iron-black, may tarnish blue
Mineral aus der Gruppe der Sulfosalze
Станнин
Stannit
Black
Penetration twins on {102}
Uneven
Cu2FeSnS4
黝锡矿
Stannin
Stn
Indistinct on {110} and {001}
ستانيت
minerale
Rarely as pseudo-octahedral crystals also massive, granular, and disseminated