General Information:
Chemical Formula:
(Cu,Zn)6(AsO4,PO4)2(OH)6·(H2O)
Composition:
(Molecular Weight = 759.97 gm)
Zinc 12.91 % Zn
Copper 37.63 % Cu
Arsenic 14.79 % As
Phosphorus 2.04 % P
Hydrogen 1.06 % H
Oxygen 31.58 % O
Empirical Formula:
6(Cu0.75)6(Zn0.25)(AsO4)1.5(PO4)0.5(OH)6·(H2O)
IMA Status:
Approved IMA 1984
Physical Properties:
Cleavage:
None
Color:
emerald green.
Density:
4.07
Diaphaniety:
Transparent to Semiopaque
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous (Glassy)
Streak:
light green
More details...