Heinrichite

General Information: Chemical Formula:Ba(UO2)2(AsO4)2·10-12(H2O) Composition:(Molecular Weight = 1,153.39 gm)Barium 11.91 % BaUranium 41.27 % U Arsenic 12.99 % AsHydrogen 1.92 % H Oxygen 31.90 % O  Empirical Formula: Ba(UO2)2(AsO4)2·11(H2O)Physical Properties: Cleavage:[001] Perfect, [100] Distinct Color:green, yellow, or yellow green. Density:3.61 Diaphaniety:Transparent to Translucent Hardness:2.5 - Finger Nail Luminescence:Fluorescent. Luster:Vitreous - Pearly Streak:yellow whiteMore details...