Sabugalite

General Information:
 Chemical Formula:
HAl(UO2)4(PO4)4·16(H2O)
 Composition:
(Molecular Weight = 1,776.23 gm)
Uranium 53.60 % U 
Aluminum 1.52 % Al
Phosphorus 6.98 % P 
Hydrogen 1.87 % H 
Oxygen 36.03 % O 
 Empirical Formula:
HAl(UO2)4(PO4)4·16(H2O)
Physical Properties:
 Cleavage:
[001] Perfect
 Color:
light yellow or lemon.
 Density:
3.2
 Diaphaniety:
Transparent to Translucent
 Hardness:
2.5 - Finger Nail
 Luminescence:
Fluorescent.
 Luster:
Vitreous (Glassy)
 Streak:
yellow white
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