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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