Aragonite with Calcite

Gergovie, La-Roche-Blanche, Veyre-Monton, Puy-de-Dôme Department, Auvergne-Rhône-Alpes  France (±1985)

Specimen size: 11.4 × 11.2 × 7.9 cm = 4.49” × 4.41” × 3.11”
Main crystal size: 2 × 0.1 cm = 0.79” × 0.04”