Calcite, Sphalerite - image 1

Calcite, Sphalerite

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The Mineralogical Museum, University of Delaware
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Calcite on sphalerite, 22.8-cm matrix with a 21.5-cm crystal, from the Elmwood mine near Carthage, Smith County, Tennessee. Collected in 1978 by a miner during the early days of the mine. Doubly terminated calcite crystals like this were called 'footballs' by the miners.

Product details

Species
Calcite, SphaleriteAbout Calcite →
Added on02/13/2026
Locality
USA, Tennessee, Elmwood MineRegional guide →
Publications
  • Mineralogical Record Mineral Collection University Of Delaware page 57

Learn more

Calcite
Mineral guide
Learn about Calcite
diverse shapes, colors, and optical quirks; widely available yet scarce elite pieces from Elmwood and Charcas drive collecting value and display.
Calcite
Regional guide
Calcite from Elmwood Mine, USA
Elmwood Mine calcite — iconic amber scalenohedra from a historic Tennessee locality, prized for form, color, and cabinet display by collectors.