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RM2714   Gold and cosalite and quartz

Quartz specimen with groups of crystallized gold. It is accompanied by galena and grey cosalite needles (a bismuth and lead sulfosalt). A gold curiosity of this French mine that was precisely exploited by the "Société des Mines du Bourneix" for the extraction of gold.

Size: 4 x 3.3 x 3.2 cm.
Main crystal: Photo FOV 5 mm.
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