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corundum |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.04 sec. |
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corundum /co·run·dum/ (kor-un´dum) native aluminum oxide, Al2O3, used in dentistry as an abrasive and polishing agent. corundum, n See emery. |
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Surface samples from the JP kimberlite, which were recently treated by Lakefield Research Laboratories in Lakefield, Ontario returned strong concentrations of pyrope and almandine-pyrope garnets, corrundum and graphite. |
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