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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