(Bad Sulzburg, Sulzburg, Schwarzwald, Baden-Württemberg, Deutschland)
Quartz veins exposed in the vicinity of a parking lot in the forest near Bad Sulzburg, about 3 km SE of Sulzburg.
Ref.: Lapis 1980(3), 26-27; S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992