Product description
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This specimen is a red variety of corundum (Al₂O₃), colored by trace amounts of chromium that produce its distinctive ruby tone and vivid red fluorescence under ultraviolet light. While gem-quality ruby represents the transparent form of this mineral, this piece showcases the same composition and glowing energy in a natural crystalline state. Corundum ranks 9 on the Mohs hardness scale and is found in metamorphic and igneous environments worldwide.
This item is 1.25” x 1” and weighs .30 oz
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We want you to be 100% satisfied with your purchase. Items can be returned or exchanged within 30 days of delivery.