Calcite, Sphalerite
Elmwood mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee, USA
Small Cabinet, 5.5 x 5.3 x 2.5 cm
A sharp calcite twin, terminated on the top end (the back/bottom is a natural contact face where the specimen was removed from the pocket wall), with sphalerite accenting both sides. Sphalerite was the major zinc ore that was the whole reason for the Elmwood. 5.5 x 5.3 x 2.5 cm