Chemical Formula:
|
Cu++2As+++++2O7·3(H2O) |
Composition:
|
Molecular Weight = 442.98 g |
|
|
|
Hydrogen |
1.37 % |
H |
12.20 % |
H2O |
0.00 % |
|
|
|
Oxygen |
36.12 % |
O |
0.00 % |
|
0.00 % |
|
|
|
Copper |
28.69 % |
Cu |
35.91 % |
CuO |
0.00 % |
|
|
|
Arsenic |
33.83 % |
As |
51.89 % |
As2O5 |
0.00 % |
|
|
|
|
|
|
|
|
|
|
|
|
|
100.01 % |
|
100.00 % |
|
|
|
|
| |
Empirical Formula:
|
Cu2As2O7·3(H2O) |
|
Environment:
|
Coatings on quartz |
|
Locality:
|
Cap Garonne mine, Var, France.. Link to
MinDat.org
Location Data.
|
|
Name Origin:
|
Named from the Latin gemini, twins, in allusion to the usual character of the crystals |
|
Synonym:
|
Trichalcite |
|