General Information:
Chemical Formula:
PbZnFe++(AsO4)2·(H2O)
Composition:
(Molecular Weight = 624.29 gm)
Zinc 10.47 % Zn
Iron 8.95 % Fe
Arsenic 24.00 % As
Hydrogen 0.32 % H
Lead 33.19 % Pb
Oxygen 23.07 % O
Empirical Formula:
PbZnFe2+AsO42·(H2O)
IMA Status:
Approved IMA 1971
Physical Properties:
Color:
yellow brown, reddish brown, or lemon.
Density:
5.2
Diaphaniety:
Translucent
Hardness:
4.5 - Between Fluorite and Apatite
Streak:
yellow
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