Calcite, Gypsum, Ktenasite, Sphalerite, Chalcopyrite - image 1
Photo by Debra L. Wilson

Calcite, Gypsum, Ktenasite, Sphalerite, Chalcopyrite

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Calcite with gypsum and ktenasite on oxidized sphalerite and chalcopyrite, 10.7 cm, from the Mid-Continent mine, Treece, Cherokee County, Kansas (CM29470). Acquired from Harris Precht in 2008. Debra L. Wilson photo.

Product details

SpeciesCalcite, Ktenasite, Gypsum, Chalcopyrite, Sphalerite
SizeCabinet
Dimensions10.7 cm
Added on02/13/2026
LocalityUSA, Kansas, Mid-Continent Mine
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 69
Current owner
Carnegie Museum of Natural History

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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 Mid-Continent Mine
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Locality guide
Mid-Continent Mine
Mid-Continent Mine, USA: Tri-State locality famed for rubyjack sphalerite, metallic galena, chalcopyrite, and amber calcite on chert; prized for vuggy, three-d…