LithoCat

MineralJamesonite
FormulaPb4FeSb6S14
Crystal FormMonoclinic/Prismatic [2/m]
Cleavage[001] Perfect
ColorGray-black
Density5.5 – 5.6 g/cm3
DiaphaneityOpaque
FractureBrittle
Hardness2.5
LustreMetallic
StreakGray-black
Dana 8 Class3.6.7.1
Strunz ClassII/E.22-10
Mindatmindat.org
WebMineralWebMineral
ID108