General Information:
Chemical Formula:
(Ca,Th,Ce)(PO4)·(H2O)
Composition:
(Molecular Weight = 220.66 gm)
Calcium 10.90 % Ca
Cerium 6.35 % Ce
Thorium 31.55 % Th
Phosphorus 14.04 % P
Hydrogen 0.91 % H
Oxygen 36.25 % O
Empirical Formula:
Ca0.6Th0.3Ce0.1(PO4)·(H2O)
IMA Status:
Approved IMA 1962
Physical Properties:
Cleavage:
None
Color:
white, light yellow, dark reddish brown, or reddish brown.
Density:
3.7 - 4.1, Average = 3.9
Diaphaniety:
Translucent
Hardness:
3-4 - Calcite-Fluorite
Luster:
Vitreous - Greasy
More details...