This sphalerite crystal rosette is from the Elmwood Mine in Carthage, Smith County, Tennessee, Ba-F-Pb-Zn District, 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. This is a rosette shaped cluster of stunning sphalerite crystals that have complex tetragonal habits and a metallic luster. They rest on a remnant chert matrix and have several calcites attached. This piece measures approximately 1 5/8 x 1 5/8 x 1 1/16 inches or 41 x 41 x 26 mm.