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specimen video
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Photo by Jeffrey A. Scovil

Calcite

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Calcite “butterfly” twin, 2.5 cm, from Egremont, West Cumberland Iron Field, Copeland, Cumbria, England. Ex Carl Bosch (1874-1940) collection (1888), ex U.S. National Museum, ex Cal Graeber. Jeff Scovil photo.

Product details

SpeciesCalcite
SizeThumbnail
Dimensions2.5 cm
Added on02/13/2026
LocalityUK, England, Egremont
Publications
  • Mineralogical Record Refined Elegance page 150
Current owner
Alexander Schauss

Added by the community · Not a registered member

Previous owners
DateCollectorAcquisition price
—Cal GraeberNot disclosed
—U.S. National Museum of Natural HistoryNot disclosed
—Carl BoschNot 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 Egremont
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Locality guide
Egremont
Egremont, UK - renowned replacement-ore locality famed for high-grade hematite and dramatic fluorite-on-hematite, with classic Florence Mine associations.