Chalcopyrite with Galena and Sphalerite

Madan mining area, Rhodope Mountains, Smolyan Oblast  Bulgaria

Specimen size: 14.3 × 9 × 4.4 cm = 5.63” × 3.54” × 1.73”
Main crystal size: 2.9 × 1.8 cm = 1.14” × 0.71”