Allophane Image

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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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