LithoCat

MineralDioptase
FormulaCu6(Si6O18) • 6(H2O)
Crystal FormTrigonal/Rhombohedral [3]
Cleavage[10-11] Perfect
ColorEmerald Green, Blue-green
Density3.3 – 3.4 g/cm3
DiaphaneityTransparent to Translucent
FractureIrregular/Uneven, Conchoidal
Hardness5.0
LustreVitreous
StreakGreen
Type Loc.Altyn-Tyube area, Kirghiz Steppes, Karagandy Prov., Kazakhstan
Dana 8 Class61.1.3.1
Strunz ClassVIII/E.21-10
Mindatmindat.org
WebMineralWebMineral
ID182