General Information:
Chemical Formula:
Ca3Mn++++(SO4,CO3)2(OH)6·12(H2O)
Composition:
(Molecular Weight = 667.50 gm)
Calcium 18.01 % Ca
Manganese 8.23 % Mn
Hydrogen 4.53 % H
Carbon 0.90 % C
Sulfur 7.21 % S
Oxygen 61.12 % O
Empirical Formula:
Ca3Mn4+(SO4)1.5(CO3)0.5(OH)6·12(H2O)
IMA Status:
Approved IMA 1965
Physical Properties:
Cleavage:
[100] Good
Color:
green orange or greenish yellow.
Density:
1.95
Diaphaniety:
Transparent
Hardness:
2.5 - Finger Nail
Luster:
Vitreous (Glassy)
Streak:
greenish white
More details...