Amphibolite quarry (Vulkan quarry), Urenkopf, Haslach, Black Forest, Baden-Württemberg, Germany
Amphibolitbruch (Steinbruch Vulkan), Urenkopf, Haslach, Schwarzwald, Baden-Württemberg, Deutschland
Abandoned quarry on Urenkopf mountain, located about 2.5 km SE of Haslach. Formerly owned by 'Hartsteinwerke Vulkan' in Haslach.
Now used as a waste fill site, collecting is not possible anymore.
Clefts in the amphibolite contained apple-green, yellow, yellowish brown, colourless to white prehnite as tabular crystals or spherical aggregates. The prehnite is associated with white calcite and/or white to brownish (beige) pectolite sprays.
21 entries listed. 18 valid minerals.
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K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
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