Despujolsite

General Information:
 Chemical Formula:
Ca3Mn++++(SO4)2(OH)6·3(H2O)
 Composition:
(Molecular Weight = 523.39 gm)
Calcium 22.97 % Ca
Manganese 10.50 % Mn
Hydrogen 2.31 % H 
Sulfur 12.25 % S 
Oxygen 51.97 % O 
 Empirical Formula:
Ca3Mn4+(SO4)2(OH)6·3(H2O)
 IMA Status:
Approved IMA 1968
Physical Properties:
 Cleavage:
[???] Good
 Color:
lemon.
 Density:
2.46
 Diaphaniety:
Transparent to Translucent
 Hardness:
2.5 - Finger Nail
 Luster:
Vitreous (Glassy)
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