Quartz, Chalcedony - image 1
Photo by Jeffrey A. Scovil

Quartz, Chalcedony

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Quartz and chalcedony stalactites, 8.8 cm, Ametista do Sul, Rio Grande do Sul, Brazil. Photo by Jeff Scovil.

Product details

SpeciesQuartz, Chalcedony
SizeSmall Cabinet
Dimensions8.8 cm
Added on02/13/2026
LocalityBrazil, Rio Grande do Sul, Ametista do Sul
Publications
  • Mineralogical Record Mineral Collecting In Texas page 218
Current owner
Jeremy Smith

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Quartz
Mineral guide
Learn about Quartz
a versatile mineral with clear, milky, and colored varieties; crystal forms, formation clues, and tips for identifying amethyst and citrine.
Quartz
Regional guide
Quartz from Ametista do Sul
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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.