Ancient copper mines, abandoned in 1924.
Located near Neubulach, about 6.5 km SE of Calw.
References:- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 954.
- Der Aufschluss (1979):(7/8): 213-252.
- Lapis (1985): (11): 28.
- Lapis (1986): (3): 27-28.
- Lapis (1989): (6): 39.
- Walenta, K. (1992): "Die Mineralien des Schwarzwaldes", Weise (Munich).
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http://www.stollengemeinschaft.de/
76 entries listed. 67 valid minerals. 4 type localities (valid minerals).