General Information:
Chemical Formula:
(La,Ce)Al3(PO4)2(OH)6
Composition:
(Molecular Weight = 512.14 gm)
Lanthanum 20.34 % La
Cerium 6.84 % Ce
Aluminum 15.81 % Al
Phosphorus 12.10 % P
Hydrogen 1.18 % H
Oxygen 43.74 % O
Empirical Formula:
La0.75Ce0.25Al3(PO4)2(OH)6
IMA Status:
Approved IMA 1987
Physical Properties:
Cleavage:
[0001] Good
Color:
colorless or light yellow.
Density:
3.52
Diaphaniety:
Transparent
Hardness:
5-6 - Between Apatite and Orthoclase
Luster:
Resinous - Greasy
Streak:
white
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