General Information:
Chemical Formula:
CaMn+++Si2O6(OH)·2(H2O)
Composition:
(Molecular Weight = 300.22 gm)
Calcium 13.35 % Ca
Manganese 18.30 % Mn
Silicon 18.71 % Si
Hydrogen 1.68 % H
Oxygen 47.96 % O
Empirical Formula:
CaMn3+Si2O6(OH)·2(H2O)
IMA Status:
Approved IMA 1977
Physical Properties:
Color:
brown or orange.
Density:
2.9
Hardness:
5 - Apatite
Streak:
apricot yellow
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