Mineral: Quartz (variety smoky; variety Gwindel)
Locality: Mont Blanc Massif, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes, France
Dimensions: 10 x 7 cm

Description: A smoky Gwindel Quartz of 64 mm perched on a druse of prismatic crystal.

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