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The Color Change of Natural Green Sapphires by Heat Treatment
Web1 de ene. de 2012 · It was found that, when green sapphires were heated at high temperatures, the color of the untreated sapphire crystal changed to yellow at higher temperatures. Whereas, there were no significant changes in the clarity of all samples found in the temperature range of 1300-1600 °C. © 2010 Published by Elsevier Ltd. … WebThis doesn't occur in teal sapphires. The most precious teal sapphires have an equal or near equal composition of blue and green primary colors with hints of yellow, which depend … dry bar comedy tim hawkins
Sapphire Value, Price, and Jewelry Information
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