Quartz

La Gardette Mine, Brides gallery, La Gardette mining area, Villard-Notre-Dame, Le Bourg d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes  France (2015)

Specimen size: 20 × 8.5 × 11 cm = 7.87” × 3.35” × 4.33”
Main crystal size: 3 × 1 cm = 1.18” × 0.39”