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The secondary uranium mineral, saléeite, was found in dumps of the former Wojcieszyce Uranium Mine. It occurs as tiny tabular crystals, up to 0.3 cm in size. The chemical formula, which was calculated on the basis of a 12 spot analyses is: (Mg0.73Fe0.05K0.04Ca0.04)S0.86(UO2)2.16(PO4)2.00·10H2O. The cation position is occupied mainly by Mg. The Mg ions are partially substituted by Fe, K and Ca. The...
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