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Kivuite: (Th,Ca,Pb)H2(UO2)4(PO4)2(OH)8·7(H2O) Dewindtite: Pb3[H(UO2)3O2(PO4)2]2·12(H2O)
Comments: Pale yellow coatings of kivuite with yellowier dewindtite on pegmatite. Location: Ruggles Mine, Grafton, Grafton County, New Hampshire, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species