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George-ericksenite: Na6CaMg(IO3)6(CrO4)2·12(H2O)
Comments: Scanning electron microscope (SEM) photomicrograph of part of a georgeericksenite aggregate: note the cracking of the crystals due to H2O loss under the SEM vacuum. (AmMin 83:391). Location: Museum specimen labeled as originating from Oficina Chacabuco, Chile.. Scale: See Image. © American Mineralogist