General Information:
Chemical Formula:
Na(Mg,Zn)3Cu(AsO4)3
Composition:
(Molecular Weight = 607.02 gm)
Sodium 3.79 % Na
Magnesium 9.01 % Mg
Zinc 8.08 % Zn
Copper 10.47 % Cu
Arsenic 37.03 % As
Oxygen 31.63 % O
Empirical Formula:
NaMg2.25Zn0.75Cu(AsO4)3
IMA Status:
Approved IMA 1982
Physical Properties:
Cleavage:
[010] Perfect, [100] Good, [001] Good
Color:
violet.
Density:
4.15
Diaphaniety:
Transparent
Hardness:
3 - Calcite
Luster:
Vitreous (Glassy)
More details...