Renardite

General Information:
 Chemical Formula:
Pb(UO2)4(PO4)2(OH)4·7(H2O)
 Composition:
(Molecular Weight = 1,671.39 gm)
Uranium 56.97 % U 
Phosphorus 3.71 % P 
Hydrogen 1.09 % H 
Lead 12.40 % Pb
Oxygen 25.85 % O 
 Empirical Formula:
Pb(UO2)4(PO4)2(OH)4·7(H2O)
 Locality:
Kaslo mine, Shinkolobwe, Shaba, Katanga, Zaire.
 Name Origin:
Named for Alphonse Francois Renard (1842-1903), mineralogist, University of Ghent, Belgium.
Physical Properties:
 Cleavage:
[100] Perfect
 Color:
yellow.
 Density:
4.34
 Diaphaniety:
Transparent
 Habits:
Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces., ,
 Luminescence:
Radioactive.
More details...