Siderite with Quartz and Chalcopyrite

Le Villaret pit, Susville, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France

Specimen size: 11.7 × 4.9 × 4.8 cm = 4.61” × 1.93” × 1.89”
Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”