Sphalerite with Calcite and Dolomite

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

Specimen size: 9.7 × 7.2 × 5.2 cm = 3.82” × 2.83” × 2.05”
Main crystal size: 1.3 × 1.2 cm = 0.51” × 0.47”