Quartz

Saint-Pierre-de-Mésage, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes  France

Specimen size: 7 × 5.4 × 3.2 cm = 2.76” × 2.13” × 1.26”
Main crystal size: 5 × 0.7 cm = 1.97” × 0.28”