Chalcopyrite on Quartz

À Giraud Mine, La Gardette mining area, Villard-Nôtre-Dame, Le Bourg d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes  France (2018-2019)

Specimen size: 13.2 × 12.7 × 4.4 cm = 5.20” × 5.00” × 1.73”
Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”