Althupite

General Information:
 Chemical Formula:
ThAl(UO2)7(PO4)4(OH)5·15(H2O)
 Composition:
(Molecular Weight = 2,884.36 gm)
Thorium 8.04 % Th
Uranium 57.77 % U 
Aluminum 0.94 % Al
Phosphorus 4.30 % P 
Hydrogen 1.22 % H 
Oxygen 27.73 % O 
 Empirical Formula:
ThAl(UO2)7(PO4)4(OH)5·15(H2O)
 IMA Status:
Approved IMA 1986
Physical Properties:
 Cleavage:
[???] Good
 Color:
yellow.
 Density:
3.9
 Diaphaniety:
Transparent to Translucent
 Hardness:
3.5-4 - Copper Penny-Flourite
 Luster:
Vitreous (Glassy)
 Streak:
yellow white
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