Quartz

Les Rivoirands, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes  France (2010)

Specimen size: 11.6 × 7.7 × 5.3 cm = 4.57” × 3.03” × 2.09”
Main crystal size: 6 × 1.1 cm = 2.36” × 0.43”