General Information:
Chemical Formula:
(Mg,Fe++,Mn)2(PO4)F
Composition:
(Molecular Weight = 187.63 gm)
Magnesium 15.54 % Mg
Manganese 5.86 % Mn
Iron 17.86 % Fe
Phosphorus 16.51 % P
Oxygen 34.11 % O
Fluorine 10.13 % F
Empirical Formula:
Mg1.2Fe2+0.6Mn2+0.2(PO4)F
Physical Properties:
Cleavage:
[001] Good, [010] Distinct, [100] Indistinct
Color:
reddish brown.
Density:
3.57
Hardness:
5-5.5 - Apatite-Knife Blade
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