LithoCat

MineralStannite
FormulaCu2(Fe,Zn)SnS4  
Crystal FormTetragonal/Scalenohedral [4 2m]
CleavageIndistinct on {110} {001}
ColorGrey, black with olive-green tint, tarnishes pale blue
Density4.3 – 4.5 g/cm3
DiaphaneityOpaque
FractureIrregular/Uneven
Hardness4.0
LustreMetallic
StreakBlack
Dana 8 Class2.9.2.1
Strunz Class2/C.06-60
Mindatmindat.org
WebMineralWebMineral
ID225