Allophane Image

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

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Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.

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.

Allophane

Large Allophane Image

Mineral:

Allophane: Al2O3·(SiO2)1.3-2·((H2O))2.5-3

Comments:

Blue, cuprian, botryoidal allophane on matrix.

Location:

Reiche Zeche Mine, Himmelfahrt Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany.

Scale:

Picture size 5 mm.

Copyright:

© Thomas Witzke / Abraxas-Verlag

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