Vanuralite

General Information:
 Chemical Formula:
Al(UO2)2(VO4)2(OH)·11(H2O)
 Composition:
(Molecular Weight = 1,012.09 gm)
Uranium 47.04 % U 
Aluminum 2.67 % Al
Vanadium 10.07 % V 
Hydrogen 2.29 % H 
Oxygen 37.94 % O 
 Empirical Formula:
Al(UO2)2(VO4)2(OH)·11(H2O)
 IMA Status:
Approved IMA 1963
 Locality:
Mounana mine, Franceville, Haute Ogooue, Gabon.
 Name Origin:
Named for the composition (Vanadium, Uranium).
Physical Properties:
 Cleavage:
[001] Perfect
 Color:
lemon.
 Density:
3.62
 Diaphaniety:
Transparent
 Habits:
Microscopic Crystals - Crystals visible only with microscopes., ,
 Hardness:
2 - Gypsum
 Luster:
Vitreous (Glassy)
 Streak:
light yellow
More details...