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Iriginite: (UO2)(Mo++++++2O7)·3(H2O)
Comments: Yellow aggregates of iriginite on matrix. Location: Cameron area, Coconino County, Arizona, USA. Scale: Picture size 2.5 mm. © Thomas Witzke / Abraxas-Verlag
Iriginite: (UO2)(Mo++++++2O7)·3(H2O) Mourite: U++++Mo++++++5O12(OH)10
Comments: Purple to violet sub-metallic mourite coatings with yellow iriginite. Location: 'North Caucasus', probably Kyzylsai Deposit, Chu-Ili Mountains, Balkhash, Zezkazgan, Kazakhstan. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species