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General Information: Chemical Formula:U++++++(UO2)3(PO4)2(OH)6·4(H2O) Composition:(Molecular Weight = 1,412.16 gm)Uranium 67.42 % U Phosphorus 4.39 % P Hydrogen 1.00 % H Oxygen 27.19 % O  Empirical Formula: U(UO2)3(PO4)2(OH)6·4(H2O) IMA Status:Approved IMA 1981Physical Properties: Cleavage:[010] Good, [100] Indistinct Color:canary yellow. Density:4.67 Hardness:2-3 - Gypsum-Calcite Streak:light yellowMore details...

( O2)3(PO4)2(OH)6 4(H2O)