Dewindtite

General Information:
 Chemical Formula:
Pb3[H(UO2)3O2(PO4)2]2·12(H2O)
 Composition:
(Molecular Weight = 2,903.85 gm)
Uranium 49.18 % U 
Phosphorus 4.27 % P 
Hydrogen 0.90 % H 
Lead 21.41 % Pb
Oxygen 24.24 % O 
 Empirical Formula:
Pb3H2(UO2)6O4(PO4)4·12(H2O)
Physical Properties:
 Cleavage:
[100] Perfect
 Color:
greenish yellow, yellow, or light yellow.
 Density:
5.03
 Diaphaniety:
Translucent
 Hardness:
2.5-3 - Finger Nail-Calcite
 Streak:
light yellow
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