Roggenbach vein, Schauinsland, Freiburg im Breisgau, Freiburg Region, Baden-Württemberg, Germany
Completely undamaged baryte "nut" with minor dolomite on lustrous sphalerite crystals from Roggenbach vein.
© Andreas Gerstenberg
Old timer from the collection of a former miner from Schauinsland mine. This is one of the most beautiful sphalerite specimens from that location that I have ever seen.
© Dr. Holger Klapproth
Historic specimen from the active mining period, on the backside are some small calcite crystals
© klaus ludwig