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Rauvite: Ca(UO2)2V+++++10O28·16(H2O)
Comments: Irregular grains of dark-colored rauvite in matrix. Location: Monument No. 2 Mine, Monument Valley, Apache County, Arizona, USA. Scale: Picture size 2.5 mm. © Paul M. Schumacher
Comments: Brownish-yellow scaly rauvite on sandstone. Location: Monument Valley, Apache County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species