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Comments: Platy meta-autunite crystals fluorescing greenish yellow.
Location: Carretona, Spain.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
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