Corundum
Unknown Owner
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A pinkish red prismatic crystal of corundum 4.2 cm in length embedded up on matrix. In good condition. This is the variety of the species known as Ruby. Brightly fluorescent red under longwave ultraviolet light.
Product details
SpeciesCorundum
SizeSmall Cabinet
Dimensions8.0 x 4.0 x 2.5 cm
Added on07/13/2025
LocalityKetito, Manyara
Known provenance
| Date | Collector | Acquisition price |
|---|---|---|
| 08/2025 | Unknown Owner | $75.00 |
| — | Weinrich Minerals | Not disclosed |
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Mineral guide
Learn about Corundum
iconic mineral with ruby and sapphire varieties; Mohs 9, vivid colors, and sharp crystals; prized for color, form, and provenance.Regional guide


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