Calcite, Gypsum, Ktenasite - image 1
Photo by Jeffrey A. Scovil

Calcite, Gypsum, Ktenasite

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Calcite with gypsum and ktenasite, 6 cm, from the Mid-Continent mine, Tri-State District, Treece, Cherokee County, Kansas. Ex Stan Wollams collection; Jeff Scovil photo.

Product details

SpeciesCalcite, Ktenasite, Gypsum
SizeSmall Cabinet
Dimensions6.0 cm
Added on02/13/2026
LocalityUSA, Kansas, Mid-Continent Mine
Publications
  • Mineralogical Record Mineral Collections In American Midwest page 99
Current owner
Terry Huizing

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Previous owners
DateCollectorAcquisition price
—Stan WoollamsNot disclosed

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 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…