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MARCASITE RAINBOW CRYSTALS SPECIMEN FROM GOLD SILVER MINE Slovakia

     




Description

Nice cluster of tiny MARCASITE (FeS2) crystals on gold bearing quartz from the only operating gold mine in central Europe - Rozalia Mine in Hodrusa-Hamre, Slovakia. The specimen measures approx. 7 x 3.5 x 1.7 cm and weights 72.4 grams.

Gold ore are thin low sulphidation epithermal quartz veins of Neogene age (11-16 mil. years) hosted in andesite or quartz-diorite porphyry, very rich on gold (assays are typically >100g/t Au and >100 g/t Ag, sometimes even 1000 g/t Au).

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CHECK MY OTHER AUCTIONS FOR RARE MINERAL SPECIMENS FROM CENTRAL EUROPE.