Farringtonite

General Information:
 Chemical Formula:
Mg3(PO4)2
 Composition:
(Molecular Weight = 262.86 gm)
Magnesium 27.74 % Mg
Phosphorus 23.57 % P 
Oxygen 48.69 % O 
 Empirical Formula:
Mg3(PO4)2
 IMA Status:
Approved IMA 1961
Physical Properties:
 Cleavage:
[100] Good, [010] Good
 Color:
white or wax yellow.
 Density:
2.74
 Streak:
white
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