These fluorite on sphalerite is from the Elmwood Mine in Carthage, Smith County, Tennessee, Ba-F-Pb-Zn District, Tennessee, US. This mine contains three shafts called the Elmwood, Cumberland, and Gordonsville. It has an entry slope called the Stonewall. They contain eleven different minerals including sphalerite which is the main ore mineral. The fluorite is a common gangue mineral associated with the sphalerite. This specimen consists of a plate of complex sphalerite crystals that is topped with translucent to transparent fluorite crystals. Amber sphalerite can be seen through the fluorite. This piece measures 1 3/4 x 1 1/4 x 1 inches or 44 x 32 x 25 mm.