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Vanmeersscheite: U++++++(UO2)3(PO4)2(OH)6·4(H2O) Metavanmeersscheite: U++++++(UO2)3(PO4)2(OH)6·2(H2O)
Comments: Yellow coatings of vanmeersscheite on sandstone. Unless sealed in glass, all specimens should be considered to have become metavanmeersscheite. Location: Cameron, Coconino Co., Arizona, USA. Scale: Sample Size 4 cm Glass Vial. © Diederik Visser