Calcite on sphalerite
description: <p style="text-align: justify;">LOCALITY: Elmwood Mine, near Carthage, Smith County, Tennessee, United States <br /><br />4" Across <br /><br />The Elmwood Mine has produced since the 1980's and is arguably the world's greatest calcite crystal producing mineral locality. This piece consist of a mainly transparent calcite crystal twin perched on a well proportioned sphalerite matrix. The crystal faces in the midsection of the calcite are associated with the twinning. This piece was bought from Dan Weinrich in December 2017. <br /><br />Photo by Matthew Webb of Melbourne, Victoria, Australia</p>
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