Sphalerite with Dolomite

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

Specimen size: 5.4 × 5.4 × 2.4 cm = 2.13” × 2.13” × 0.94”
Main crystal size: 1.9 × 1.6 cm = 0.75” × 0.63”