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Copiapite: Fe++Fe+++4(SO4)6(OH)2·20(H2O) Rozenite: Fe++SO4·4(H2O) Ferrinatrite: Na3Fe+++(SO4)3·3(H2O)
Comments: White powdery rozenite coating with yellow ferrinatrite on purple copiapite. Location: Le Cetine Mine, Siena, Tuscany, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Copiapite: Fe++Fe+++4(SO4)6(OH)2·20(H2O)
Comments: Brownish yellow tabular crystals of copiapite. Location: Saghand, near Yazd, Yadz Province, Iran. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals