Calcite from Rio Grande do Sul, Brazil

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Calcite on amethyst, 9.4 cm, from Rio Grande do Sul, Brazil. Will Johnson collection, ex Steve Smale; Tom Spann photo.

Product details

SizeSmall Cabinet
Dimensions9.4 cm
Added on02/13/2026
Publications
  • Mineralogical Record Flawless Beauty page 22

Current owner

Added by Will Jessup

Not on EarthWonders yet

Previous owners

DateCollectorAcquisition price
—Will JohnsonNot disclosed
—smale@berkeley.eduNot 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 Rio Grande do Sul
Contribute
Locality guide
Rio Grande do Sul
Rio Grande do Sul, Brazil - famed for amethyst in basalt geodes and classic agate geodes, with dark rinds, pale chalcedony bands, and strong lapidary appeal.