Eisspath glasiger Feldspath, Oberbergen, Kaiserstuhl, Germany.

20,00

Centimetric crystals of glassy, beige feldspar in a gray volcanic gangue, possibly rhyolite.

Mineral from Oberbergen in Kaiserstuhl, Germany, from the mineralogical collection of the Bally Museum in Schönenwerd, Switzerland (19th century).

Supplied with its original label and box.

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