Quartz with Chalcopyrite and Sphalerite

Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 8.3 × 4.5 × 2.3 cm = 3.27” × 1.77” × 0.91”
Main crystal size: 7.2 × 1.2 cm = 2.83” × 0.47”