Sainfeldite

General Information:
 Chemical Formula:
Ca5(AsO3OH)2(AsO4)2·4(H2O)
 Composition:
(Molecular Weight = 830.14 gm)
Calcium 24.14 % Ca
Arsenic 36.10 % As
Hydrogen 1.21 % H 
Oxygen 38.55 % O 
 Empirical Formula:
Ca5(AsO3OH)2(AsO4)2·4(H2O)
 IMA Status:
Approved IMA 1964
Physical Properties:
 Color:
colorless or light pink.
 Density:
3.04
 Diaphaniety:
Transparent
 Hardness:
4 - Fluorite
 Luster:
Vitreous (Glassy)
 Streak:
white
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