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Jarosite: KFe+++3(SO4)2(OH)6 Alunogen: Al2(SO4)3·17(H2O)
Comments: Colorless to white, tabular crystals alunogen on reddish jarosite. Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag
Jarosite: KFe+++3(SO4)2(OH)6 Fairbankite: PbTe++++O3
Comments: Colorless to white crystals of fairbankite with orangish brown jarosite. Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 1.5 mm. © Thomas Witzke / Abraxas-Verlag
Jarosite: KFe+++3(SO4)2(OH)6
Comments: Deep brown lustrous crystals of Jarosite to 2 mm. Location: Soureza, Attika, Greece. Scale: 2.8 x 1.6 cm. © John Veevaert
Jarosite: KFe+++3(SO4)2(OH)6 Winstanleyite: TiTe++++3O8
Comments: Small, yellow octahedral crystal of winstanleyite on brownish red jarosite. Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 0.9 mm. © Thomas Witzke / Abraxas-Verlag