General Information:
Chemical Formula:Cu++3Te++++++O6·(H2O)
Composition:(Molecular Weight = 432.25 gm)Copper 44.10 %
CuTellurium 29.52 %
TeHydrogen 0.47 %
H Oxygen 25.91 %
O Empirical Formula: Cu3TeO6·(H2O)
Environment:On quartz associated with chromian muscovite.
IMA Status:Approved IMA
Locality:McAlpine mine, Tuolumne County, California, USA.
Name Origin:For the mine at the type locality.
Physical Properties: Cleavage:None
Color:emerald green, olive green, or dark greenish black.
Density:6.63
Diaphaniety:Transparent to translucent
Habits:Encrustations - Forms crust-like aggregates on matrix., ,
Hardness:3 - Calcite
Luminescence:Non-fluorescent.
Luster:Adamantine
Streak:light green
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