General Information:
Chemical Formula:
LiAl(PO4)(OH,F)
Composition:
(Molecular Weight = 146.40 gm)
Lithium 4.74 % Li
Aluminum 18.43 % Al
Phosphorus 21.16 % P
Hydrogen 0.52 % H
Oxygen 51.91 % O
Fluorine 3.24 % F
Empirical Formula:
LiAl(PO4)OH0.75F0.25
Physical Properties:
Cleavage:
[100] Perfect, [110] Good, [011] Distinct
Color:
bluish, colorless, greenish, greenish gray, or gray white.
Density:
3.027
Diaphaniety:
Transparent to Translucent
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Vitreous - Greasy
Streak:
white
More details...