LithoCat

MineralTennantite
FormulaCu6[Cu4(Fe,Zn)2]As4S13  
Crystal FormIsometric/Hextetrahedral [4 3m]
ColorGrey-black, Steel-gray, Iron-gray, Black
Density4.6 – 4.6 g/cm3
DiaphaneityOpaque
FractureSub-conchoidal
Hardness3.0 - 4.5
LustreMetallic
StreakReddish grey, Black, Red-brown
Type Loc.Cornwall, England, UK
Dana 8 Class3.3.6.2
Strunz Class2/C.11-10
Mindatmindat.org
WebMineralWebMineral
ID367