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Botryogen: MgFe+++(SO4)2(OH)·7(H2O) Redingtonite: (Fe++,Mg,Ni)(Cr,Al)2(SO4)4·22(H2O)
Comments: Pale pink granular redingtonite on yellow-brown botryogen. Location: Redington Mine, Knoxville, Napa County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Botryogen: MgFe+++(SO4)2(OH)·7(H2O)
Comments: Bright orange botryogen on white calcite showing it's characteristic botryoidal "grape-like" morphology. Location: Cerro Pintados, Poza Almonte, Pampa del Tamarugal, Chile. Scale: Picture size 1 cm. © John Veevaert
Comments: Reddish to yellowish crystalline botryogen. Location: Redington Mercury Mine, Knoxville, Napa County, California, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species