LithoCat

MineralBoothite
FormulaCuSO4 • 7H2O
Crystal FormMonoclinic/Unknown
ColorBlue, Pale blue in transmitted light
Density2.1 g/cm3
DiaphaneityTransparent, Translucent
FractureUneven
Hardness2.0 - 2.5
LustreVitreous, Silky, Pearly. Silky/Pearly on fibrous material.
StreakPale blue
Type Loc.Alma Mine, Leona Heights deposit, Leona Heights, Oakland, Oakland Hills, Diablo Range, Alameda Co., CA, USA
Dana 8 Class29.6.10.2
Strunz Class6/C.06-40
Mindatmindat.org
WebMineralWebMineral
ID310