Metavoltine Alunogen Image

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Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Hudson Institute of Mineralogy

John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

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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