Calcite on Sphalerite Crystals from the Elmwood Mine


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This calcite is from the Elmwood Mine in Carthage, Smith County, Tennessee, USA. 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 primary ore and gangue species like calcite. Sphalerite is a sulfide that contains the elements Zn and S. Calcite is a carbonate that contains the elements Ca, C and O. This specimen consists of a druse quartz covered chert matrix that is covered on the display surface with a layer of lustrous sphahlerite crystals that in turn host dozens of dog tooth or rice calcites. This piece measures 3 1/4 x 2 5/8 x 1 inches or 82 x 67 x 25 mm.

Additional information

Weight9 oz