Quartz with Chalcopyrite

Boldut Mine, Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 12 × 7.5 × 4.8 cm = 4.72” × 2.95” × 1.89”
Main crystal size: 2.6 × 1.7 cm = 1.02” × 0.67”