(A14 Autobahntunnel, Amberg, Feldkirch, Vorarlberg, Österreich)
Clefts in chert, cut during the construction of the tunnel. Located just east of Feldkirch.
Ref.:
R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Mineral List:1 entry listed. 1 valid mineral.
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