Sphalerite with Chalcopyrite, Galena and Quartz

Cavnic mining area, Cavnic, Maramures  Romania

Specimen size: 12.6 × 6.3 × 3.9 cm = 4.96” × 2.48” × 1.54”
Main crystal size: 1.3 × 1 cm = 0.51” × 0.39”