Tengchongite

General Information:
 Chemical Formula:
CaU++++++6Mo++++++2O25·12(H2O)
 Composition:
(Molecular Weight = 2,276.30 gm)
Calcium 1.76 % Ca
Uranium 62.74 % U 
Molybdenum 8.43 % Mo
Hydrogen 1.06 % H 
Oxygen 26.01 % O 
 Empirical Formula:
CaU6Mo2O25·12(H2O)
 IMA Status:
Approved IMA
Physical Properties:
 Color:
yellow.
 Density:
4.25
 Diaphaniety:
Transparent to Translucent
 Hardness:
2-2.5 - Gypsum-Finger Nail
 Luster:
Vitreous (Glassy)
 Streak:
light yellow
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