Mineralogy Database

Voltaite Alunogen Image

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 Voltaite, Alunogen

Large Voltaite Image

Mineral: Voltaite: K2Fe++5Fe+++3Al(SO4)12·18(H2O)  
Alunogen: Al2(SO4)3·17(H2O)
Comments: Dark greenish-black crystals of voltaite on white alunogen.
Location: Carola Mine, Freital, Dresden, Saxony, Germany.
Scale: Picture size 4 mm.
Copyright: © Thomas Witzke / Abraxas-Verlag
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