Xennia Corundum offers unsurpassed colour vibrancy and industrial reliability
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'Lead-glass rubies' are crafted using a combination of lead glass and low-grade corundum - the mineral found in real rubies
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SAPPHIRE, 1 a blue transparent variety of corundum, or native alumina, much valued as a gem-stone.
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The great corundum deposits ofCorundumHill,Macon county,N.C.,have yielded good sapphires, and they are found also at Cowee Creek in the same county.
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Although the term sapphire is primarily applied to blue corundum, it is often used in a general sense so as to include all corundum of gem quality, regardless of colour.
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corundum הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד