General Information:
Chemical Formula:
CaMn+++SiO4(OH)
Composition:
(Molecular Weight = 204.11 gm)
Calcium 19.64 % Ca
Manganese 26.92 % Mn
Silicon 13.76 % Si
Hydrogen 0.49 % H
Oxygen 39.19 % O
Empirical Formula:
CaMn3+(SiO4)(OH)
IMA Status:
Approved IMA
Physical Properties:
Cleavage:
None
Color:
dark red or reddish brown.
Density:
3.64
Diaphaniety:
Transparent
Hardness:
6 - Orthoclase
Luster:
Vitreous (Glassy)
Streak:
red
More details...