General Information:
Chemical Formula:
Ca3(Mn,Al)2(SiO4)2(OH)4
Composition:
(Molecular Weight = 468.33 gm)
Calcium 25.67 % Ca
Manganese 17.60 % Mn
Aluminum 2.88 % Al
Silicon 11.99 % Si
Hydrogen 0.86 % H
Oxygen 41.00 % O
Empirical Formula:
Ca3Mn3+1.5Al0.5(SiO4)2(OH)4
IMA Status:
Approved IMA 1969
Physical Properties:
Cleavage:
None
Color:
clove brown or orange brown.
Density:
3.34
Luster:
Vitreous (Glassy)
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