General Information:
Chemical Formula:
Ca(Fe++,Ca,Mn)Si2O6
Composition:
(Molecular Weight = 243.27 gm)
Calcium 21.42 % Ca
Manganese 2.26 % Mn
Iron 13.77 % Fe
Silicon 23.09 % Si
Oxygen 39.46 % O
Empirical Formula:
Ca1.3Fe2+0.6Mn2+0.1Si2O6
Physical Properties:
Cleavage:
[100] Perfect, [001] Good, [102] Good
Color:
green.
Density:
3.09
Diaphaniety:
Transparent to Translucent
Hardness:
4.5-5
Luster:
Vitreous (Glassy)
Streak:
white
More details...