(Steinbruch im Tiefengraben, Reinerzau, Alpirsbach, Schwarzwald, Baden-Württemberg, Deutschland)
Abandoned granite quarry with outcrops of the veins worked at the Dreikönigstern and Moses Segen mines.
Ref.: S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
Mineral List:9 entries listed. 7 valid minerals.
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