Rauenthalite

General Information:
 Chemical Formula:
Ca3(AsO4)2·10(H2O)
 Composition:
(Molecular Weight = 578.23 gm)
Calcium 20.79 % Ca
Arsenic 25.91 % As
Hydrogen 3.49 % H 
Oxygen 49.81 % O 
 Empirical Formula:
Ca3(AsO4)2·10(H2O)
 IMA Status:
Approved IMA 1964
Physical Properties:
 Cleavage:
None
 Color:
colorless or snow white.
 Density:
2.36
 Streak:
white
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