(Steinbruch Peter, Leisberg, Baden-Baden, Schwarzwald, Baden-Württemberg, Deutschland)
Abandoned quarry in a permian quartz-porphyry. Located on the southeastern slope of Leisberg mountain, 2.5 km SSE of Baden-Baden.
Ref.:
S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990