Quartz with Chalcopyrite

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

Specimen size: 16 × 14.2 × 6.1 cm = 6.30” × 5.59” × 2.40”
Main crystal size: 5.7 × 1 cm = 2.24” × 0.39”