Mineral: Quartz (varieties smoky and gwindel)
Locality: Arête des Rochassiers, Talèfre Glacier, Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes, France
Dimensions: 80mm X 55mm X 30mm

Description: collected late august 2021, by the cristallier JF Astier

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