Description
These 4 pieces feature bluish massive bornite in association with aegyrin and riebeckite (a type of asbestos), and come from the former Clausis copper mines at Saint-Véran in the Hautes-Alpes. They come from the collection of Denis Galmier, a geological engineer born around 1910, who devoted his life to the study of French metalliferous deposits. They are supplied with a label.
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