General Information:
Chemical Formula:
CaMg(PO4)(OH,F)
Composition:
(Molecular Weight = 176.86 gm)
Calcium 22.66 % Ca
Magnesium 13.74 % Mg
Phosphorus 17.51 % P
Hydrogen 0.43 % H
Oxygen 42.97 % O
Fluorine 2.69 % F
Empirical Formula:
CaMg(PO4)(OH)0.75F0.25
IMA Status:
Approved IMA 1978
Physical Properties:
Cleavage:
[010] Indistinct
Color:
white or pink.
Density:
3.27
Diaphaniety:
Transparent to Translucent
Hardness:
5 - Apatite
Luster:
Silky - Pearly
Streak:
white
More details...