General Information:
 Chemical Formula:
CaSb+++4O4(OH)2(SO4)2·2(H2O)
 Composition:
(Molecular Weight = 853.25 gm)
Calcium 4.70 % Ca
Antimony 57.08 % Sb
Hydrogen 0.71 % H 
Sulfur 7.52 % S 
Oxygen 30.00 % O 
 Empirical Formula:
CaSb4O4(OH)2(SO4)2·2(H2O)
 IMA Status:
Approved IMA 1979
Physical Properties:
 Cleavage:
[100] Perfect
 Color:
colorless or white.
 Density:
4.06
 Diaphaniety:
Transparent
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Vitreous (Glassy)
 Streak:
white
More details...

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