General Information:
Chemical Formula:
Cu++3Te++++++O6·(H2O)
Composition:
(Molecular Weight = 432.25 gm)
Copper 44.10 % Cu
Tellurium 29.52 % Te
Hydrogen 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
More details...