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Fuenzalidaite: K6(Na,K)4Na6Mg10(SO4)12(IO3)12·12(H2O)
Comments: SEM image of hexagonal (trigonal) crystals of fuenzalidaite. (AmMin, v79:1003). Location: Nitrate mine about I km south of the former plant site of Oficina Santa Luisa, northern Chile. Scale: Scale Bar 10 µm. © American Mineralogist