General Information:
Chemical Formula:
Mn++4As+++++Si3O12(OH)
Composition:
(Molecular Weight = 587.93 gm)
Manganese 37.38 % Mn
Silicon 14.33 % Si
Arsenic 12.74 % As
Hydrogen 0.17 % H
Oxygen 35.38 % O
Empirical Formula:
Mn2+4AsSi3O12(OH)
IMA Status:
Approved IMA 1980
Physical Properties:
Cleavage:
[100] Good
Color:
orange.
Density:
3.84
Luster:
Subadamantine
Streak:
white
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