LithoCat

MineralTurquoise
FormulaCuAl6(PO4)4(OH)8 • 4(H2O)  
Crystal FormTriclinic/Pinacoidal [1]
Cleavage[001] Perfect, [010] Good
ColorBlue, Blue green, Green, Green gray, Light blue
Density2.6 – 2.8 g/cm3
DiaphaneitySubtranslucent to Opaque
FractureConchoidal
Hardness5.0 - 6.0
LustreWaxy
StreakPale bluish white
Dana 8 Class42.9.3.1
Strunz ClassVII/D.15-40
Mindatmindat.org
WebMineralWebMineral
ID31