Calcite, Quartz
Unknown Owner
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The Grays Quarry is a limestone producer in far western Illinois (near the Missouri/Iowa border). Specimens are not common from this locality, and this is the first Calcite that I have had from Grays. It features a few soft pink color Calcite scalenohedra measuring up to 1.2 cm. sitting in a geode of colorless, gem Quartz. A great Midwest Calcite specimen from this uncommon locality. Ex. Richard Kosnar Collection.
Product details
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2024 | Unknown Owner | Not disclosed |
| — | The Arkenstone | Not disclosed |
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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.Regional guide


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