Calcite from Ametista do Sul, Rio Grande do Sul, Brazil - image 1
Calcite from Ametista do Sul, Rio Grande do Sul, Brazil - image 2
Updated 23h agoPhoto by Dona Speir Berman

Calcite from Ametista do Sul, Rio Grande do Sul, Brazil

Very neat crossed cluster of calcite crystals, mostly coated with bluish green Celadonite. A gemmy terminated crystal coming out of one side.

Product details

SpeciesCalciteCeladonite
SizeSmall Cabinet
Dimensions7.5 x 7.5 x 2.0 cm
Added on10/29/2026
LocalityBrazil, Rio Grande do Sul, Ametista do Sul
RepairsNone

Current owner

Kim & Dona Niederman Collection
Kim & Dona Niederman Collection
Scottsdale, Arizona, United States
Acquired
Jun 2023

Owner’s note

Unique Minerals (Evan Jones)

1 for sale·Member since 2025

Previous owners

DateCollectorAcquisition price
—Renaud VochtenNot disclosed
Collection #: 5211-258
—Dr. Barrett L. PhillipsNot 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.
Celadonite and Calcite
Regional guide
Celadonite and Calcite from Brazil, Ametista do Sul, Rio Grande do Sul
Ametista do Sul — celadonite and calcite crystals, vivid color and classic associations; notable for collectors, geology, and practical collecting tips.
Locality guide
Ametista do Sul
Ametista do Sul, Brazil — a premier basalt-geode locality yielding amethyst geodes with pale chalcedony rims; valued for scale, color, and collector appeal.