General Information:
Chemical Formula:
CuSO4·7(H2O)
Composition:
(Molecular Weight = 285.72 gm)
Copper 22.24 % Cu
Hydrogen 4.94 % H
Sulfur 11.22 % S
Oxygen 61.60 % O
Empirical Formula:
Cu(SO4)·7(H2O)
Environment:
Secondary mineral in sulfide ores.
Locality:
Alma pyrite mine, Leona Heights, Alameda Co. California.
Name Origin:
Named for Edward Booth (1857-1917), American chemist, University of California.
Physical Properties:
Cleavage:
[001] Indistinct, [001] Distinct
Color:
blue.
Density:
2.1
Diaphaniety:
Transparent to Translucent
Habits:
Massive - Uniformly indistinguishable crystals forming large masses., ,
Hardness:
2-2.5 - Gypsum-Finger Nail
Luminescence:
Non-fluorescent.
Luster:
Vitreous - Silky
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