General Information:
Chemical Formula:
Cu2Al2(AsO4)2(OH)4·(H2O)
Composition:
(Molecular Weight = 544.94 gm)
Aluminum 9.90 % Al
Copper 23.32 % Cu
Arsenic 27.50 % As
Hydrogen 1.11 % H
Oxygen 38.17 % O
Empirical Formula:
Cu2Al2(AsO4)2(OH)4·(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Cleavage:
[100] Distinct
Color:
blue, greenish, or light green.
Density:
4.28
Hardness:
3 - Calcite
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