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ruby spinel |
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ruby spinel [′rü·bē spə′nel] (mineralogy) A clear-red gem variety of spinel, containing small amounts of chromium and having the color but none of the other attributes of true ruby. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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