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Meta-autunite: Ca(UO2)2(PO4)2·2-6(H2O) Autunite: Ca(UO2)2(PO4)2·10-12(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
Meta-autunite: Ca(UO2)2(PO4)2·2-6(H2O)
Comments: Platy meta-autunite crystals fluorescing greenish yellow. Location: Carretona, Spain. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals