Quartz

La Gardette Mine, La Gardette mining area, Villard-Notre-Dame, Le Bourg d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes  France

Specimen size: 12.5 × 9.5 × 6.8 cm = 4.92” × 3.74” × 2.68”
Main crystal size: 4.8 × 1.1 cm = 1.89” × 0.43”