OEM China Smoky Amethyst Quartz - Natrual Yellow Sapphire Loose Gems Baguette 2.5x5mm – Datianshanbian

Product Detail:

Yellow sapphire is also known as topaz in business. A variety of yellow gem grade corundum. The color ranges from light yellow to canary yellow, golden yellow, honey yellow and light brown yellow, with golden yellow being the best. Yellow is generally associated with the presence of iron oxide. In addition to topaz, the canary yellow of sapphire is not common in other gemstones. The world’s largest natural yellow sapphire is produced in Sri Lanka. It weighs 46.5 carats. It is golden yellow and oval cut. The interior of the gem is pure and has a strong anti fire effect.

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It should be pointed out that there are synthetic products on the market, and it is difficult to distinguish them from natural products. In addition, some corundum can be changed into yellow or deepened by high-energy X-ray particle radiation. Some natural or radiation generated yellow may fade as long as it is heated to 250 ~ 300 ℃. Produced in Sri Lanka, Australia, Myanmar, Tanzania and Shandong and Jiangxi in China.