Chalcopyrite with Quartz and Calcite

Cavnic Mine, Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 2.5 × 2.4 × 1.7 cm = 0.98” × 0.94” × 0.67”
Main crystal size: 1.6 × 0.9 cm = 0.63” × 0.35”