General Information:
Chemical Formula:
Ca2Fe+++3O2(AsO4)3·2(H2O)
Composition:
(Molecular Weight = 732.48 gm)
Calcium 10.94 % Ca
Iron 22.87 % Fe
Arsenic 30.69 % As
Hydrogen 0.55 % H
Oxygen 34.95 % O
Empirical Formula:
Ca2Fe3+3O2(AsO4)3·2(H2O)
IMA Status:
Approved IMA 1982
Physical Properties:
Cleavage:
[???] Good
Color:
yellow, orange, or red.
Density:
3.3
Hardness:
2.5 - Finger Nail
Luster:
Adamantine
Streak:
orange
More details...