Chalcopyrite, Gersdorffite, Goethite
Tännig, Bad Lobenstein, Saale-Orla District, Thuringia, Germany
The microstructure gersdorffite mineralization from Lobenstein.
Cross section through a typical specimen of gersdorffite, forming a rubble breccia consisting of fine-grained aggregates of gersdorffite crystals (light creamy grey to light grey), sporadically intergrown with fine-grained chalcopyrite (yellow) and pyrite (pale yellow). Brittle ...
© Günter Grundmann, Detmold.