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Uranospinite: Ca(UO2)2(AsO4)2·10(H2O) Metauranospinite: Ca(UO2)2(AsO4)2·8(H2O)
Comments: Translucent platy uranospinite (probably dehydrated to metauranospinite) microcrystals on matrix.
Location: Grube Buhlskopf, near Ellweiler, Rheinland-Pfalz, Germany.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species