General Information:
Chemical Formula:
MnAs+++++O3(OH)2·(H2O)
Composition:
(Molecular Weight = 229.89 gm)
Manganese 23.90 % Mn
Arsenic 32.59 % As
Hydrogen 1.75 % H
Oxygen 41.76 % O
Empirical Formula:
Mn2+(AsO3)(OH)2·(H2O)
IMA Status:
Approved IMA 1975
Physical Properties:
Cleavage:
[010] Perfect, [101] Good, [101] Distinct
Color:
light pink.
Density:
3.3
Hardness:
4 - Fluorite
Streak:
white
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