Bournonite with Sphalerite and Quartz

Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 14.6 × 10.8 × 4.3 cm = 5.75” × 4.25” × 1.69”
Main crystal size: 1 × 0.9 cm = 0.39” × 0.35”