An abandoned larvikite quarry close to the Hallevannet Lake.
References:
Andersen, F., Berge, S.A. & Burvald, I. (1996): Die Mineralien des Langesundsfjords und des umgebenden Larvikit-Gebietes, Oslo-Region, Norwegen. Mineralien-Welt 7(4), 21-100
10 entries listed. 9 valid minerals.
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