Sphalerite with Quartz and Galena

Borieva Mine, Madan mining area, Rhodope Mountains, Smolyan Oblast  Bulgaria (2008)

Specimen size: 3.6 × 2.4 × 2.3 cm = 1.42” × 0.94” × 0.91”
Main crystal size: 2.4 × 1.7 cm = 0.94” × 0.67”