Allophane Image

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.

McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs

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

Hudson Institute of Mineralogy

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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