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Autunite: Ca(UO2)2(PO4)2·10-12(H2O)
Comments: Fluorescent, tabular to platy, yellow green autunite crystals on matrix. Location: Margnac, Haute Vienne, France. Scale: 1 cm. © John Veevaert
Autunite: Ca(UO2)2(PO4)2·10-12(H2O) Meta-autunite: Ca(UO2)2(PO4)2·2-6(H2O)
Comments: Corner of a meta-autunite crystal showing the dehydration of autunite (dark green) to meta-autunite (lighter yellowish green).. Location: Daybreak Mine, Spokane County, Washington, U.S.A.. Scale: See Image. © Paul M. Schumacher