General Information:
Chemical Formula:
CaMn(HAsO4)2·2(H2O)
Composition:
(Molecular Weight = 549.82 gm)
Calcium 7.29 % Ca
Manganese 9.99 % Mn
Arsenic 40.88 % As
Hydrogen 1.10 % H
Oxygen 40.74 % O
Empirical Formula:
CaMn2+H2(AsO4)3·2(H2O)
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
[010] Perfect, [100] Good, [101] Indistinct
Color:
colorless, light pink, or dark pink.
Density:
3.05
Diaphaniety:
Transparent
Hardness:
3.5-4 - Copper Penny-Flourite
Streak:
white
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