Baricite

General Information:
 Chemical Formula:
(Mg,Fe++)3(PO4)2·8(H2O)
 Composition:
(Molecular Weight = 430.64 gm)
Magnesium 12.70 % Mg
Iron 9.73 % Fe
Phosphorus 14.39 % P 
Hydrogen 3.74 % H 
Oxygen 59.44 % O 
 Empirical Formula:
Mg2.25Fe2+0.75(PO4)2·8(H2O)
 IMA Status:
Approved IMA 1976
Physical Properties:
 Cleavage:
[010] Perfect
 Color:
colorless or light blue.
 Density:
2.42
 Diaphaniety:
Transparent
 Hardness:
1.5-2 - Talc-Gypsum
 Streak:
white
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