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Calcite
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
Locality
Carnafaum mine, Cerro Cristal, near Corumbá, Mato Grosso State, Brazil (also said to be across the locally imprecise border with Bolivia)
Publications
- Mineralogical Record Mineral Collections In American Midwest page 100
Added on02/13/2026
Comments
Known provenance
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