Rhabdophane-(La)

General Information:
 Chemical Formula:
(La,Ce)PO4·(H2O)
 Composition:
(Molecular Weight = 252.19 gm)
Lanthanum 41.31 % La
Cerium 13.89 % Ce
Phosphorus 12.28 % P 
Hydrogen 0.80 % H 
Oxygen 31.72 % O 
 Empirical Formula:
La0.75Ce0.25(PO4)·(H2O)
 IMA Status:
Approved IMA 1987
Physical Properties:
 Cleavage:
None
 Color:
brown or pink.
 Density:
3.94
 Diaphaniety:
Translucent
 Hardness:
3-4 - Calcite-Fluorite
 Luster:
Greasy (Oily)
 Streak:
white
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