Calcite
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A faceted 1,030.5-carat twinned calcite (trilliant cut), 7.3 cm across, from the Carnafaum mine, Cerro Cristal, near Corumbá, Mato Grosso State, Brazil. This locality is also said to be across the locally imprecise border with Bolivia. Faceted by Jay Medici; photo by Jeff Scovil.
Product details
Species
SizeMuseum
Dimensions730.0 x 103050.0 cm
Added on02/13/2026
Locality
Publications
- Mineralogical Record Mineral Collections In American Midwest page 100
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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.Regional guide
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