Metavoltine Alunogen Image

Hudson Institute of Mineralogy

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Alunogen, Metavoltine

Large Alunogen Image

Mineral:

Alunogen: Al2(SO4)3·17(H2O)
Metavoltine: K4Na4(Fe++,Zn)Fe+++6(SO4)12O2·20(H2O)

Comments:

Yellow metavoltine with white alunogen.

Location:

Carola Mine, Freital, near Dresden, Saxony, Germany.

Scale:

Picture size 5 mm.

Copyright:

© Thomas Witzke / Abraxas-Verlag

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