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Dreyerite

Locality: Hirschhorn, Otterbach, Palatinate, Rhineland-Palatinate, Germany

A micrograph picture of Dreyerite from the original sample from the type locality find by Deyer: yellowish tabular crystals on silicified permian Dadoxylon sp.

No scale given but the size of the crystal can be assumed to be in the sub-mm to mm-range.

Please note the hand-written description of Dr. G. Dreyer who first assumed the mineral to be Bismite.

Photograph in the archive of the Pfälzisches Bergbaumuseum Imsbach e.V.

This photo has been shown 404 times

Photo added: 16th Jun 2009

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