LithoCat

MineralArgentite
FormulaAg2S
Crystal FormIsometric/Hexoctahedral [4/m 3 2/m]
Cleavage[001] Poor, [110] Poor
ColorBlack, Lead gray
Density7.2 – 7.4 g/cm3
DiaphaneityOpaque
FractureSectile
Hardness2.0 - 2.5
LustreMetallic
StreakBlack
Dana 8 Class02.00.00.00
Strunz ClassII/BA.30a-02
Mindatmindat.org
WebMineralWebMineral
ID198