Siderite with Quartz

La Mure coal mines, La Mure, Matheysine-Trièves, Grenoble, Isère, Auvergne-Rhône-Alpes  France (±1994)

Specimen size: 18.4 × 7.2 × 4.4 cm = 7.24” × 2.83” × 1.73”
Main crystal size: 3.5 × 2.4 cm = 1.38” × 0.94”