Quartz with twin from Trou des Chasseurs, Vizille, Massif de Belledonne, Isère, Auvergne-Rhône-Alpes, France. Sample found in the year 2002. Delivered with certificate of authenticity. Stone type: Quartz. Dominant color: white. Origin: France. Average weight (Carats): 521.3 carats. Dimensions (mm): 68 x 59 x 56 mm. Ref. : SKU021290. Silicon dioxide (SiO2) mineral formed under various geological conditions. Widely used in jewelry for its diversity of colors and its hardness.
