Chalcopyrite with Calcite

Kaiwu Mine, Hezhang, Bijie Prefecture, Guizhou Province  China

Specimen size: 7.9 × 5 × 5.3 cm = 3.11” × 1.97” × 2.09”
Main crystal size: 2 × 1.7 cm = 0.79” × 0.67”