Sphalerite with Quartz

Gordonsville Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith County, Tennessee  USA

Specimen size: 11.4 × 7.2 × 5.7 cm = 4.49” × 2.83” × 2.24”
Main crystal size: 1.9 × 1.3 cm = 0.75” × 0.51”