Pyrite with Calcite

Rivet Quarry, Peyrebrune area, Montredon-Labessonnié, Le Haut Dadou, Castres, Tarn, Occitanie  France (11/2018)

Specimen size: 6.6 × 4.2 × 1.8 cm = 2.60” × 1.65” × 0.71”
Main crystal size: 1 × 1 cm = 0.39” × 0.39”