Yingjiangite

General Information:
 Chemical Formula:
(K2,Ca)(UO2)7(PO4)4(OH)6·6(H2O)
 Composition:
(Molecular Weight = 2,607.53 gm)
Potassium 4.50 % K 
Calcium 0.38 % Ca
Uranium 63.90 % U 
Phosphorus 4.75 % P 
Hydrogen 0.70 % H 
Oxygen 25.77 % O 
 Empirical Formula:
K3Ca0.25(UO2)7(PO4)4(OH)6·6(H2O)
 IMA Status:
Approved IMA
Physical Properties:
 Color:
yellow or yellow.
 Density:
4.54
 Diaphaniety:
Transparent to Translucent
 Hardness:
3-4 - Calcite-Fluorite
 Luster:
Subadamantine
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