Calcite

Espira-de-l'Agly, Perpignan, Pyrénées-Orientales, Occitanie  France

Specimen size: 15.5 × 10.5 × 6.5 cm = 6.10” × 4.13” × 2.56”
Main crystal size: 1.2 × 0.6 cm = 0.47” × 0.24”