Calcite

Damparis, Dole, Jura Department, Bourgogne-Franche-Comté  France (2005)

Specimen size: 7.4 × 6.6 × 3.6 cm = 2.91” × 2.60” × 1.42”
Main crystal size: 2.9 × 2 cm = 1.14” × 0.79”