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China
Persona de contacto Mr. Mark
liuxiang road, shanghai, shanghai
Alexandrite Lab Grown Gemstones &#****8;Alexandrites are amazing gemstones for jewelry, because faceted gems undergo a dramatic color change in different types of light.In warm indoor incandescent or candle lighting, this gem is a rich purplish red color. In bright daylight, it is greenish blue.Our lab grown or created man-made alexandrite, like natural alexandrite, is a member of the chrysoberyl family which has the chemical composition beryllium aluminum oxide.Be cautious when buying lab alexandrite, because many dealers indiscriminately use the term for imitations (such as color-change corundum). Chrysoberyl occurs in a range of colors including green, yellow, and brown, and often exhibits a cat**9;s eye chatoyancy. The name alexandrite is reserved for the very rare and valuable color-change variety of chrysoberyl The best natural chrysoberyl, including alexandrite, has been found in the Ural mountains of Russia. In fact, the color-change variety is named after Prince Alexander of Russia because it was discovered in ***0 on the day of his coming of age. Natural alexandrite is so rare that few people have ever seen one, and its value is on a par with emeralds, rubies, and sapphires.Our lab-grown crystals have higher perfection than is usually seen in natural stones. We are able to offer them at a small fraction of the cost of comparable natural stones.Alexandrite is the birthstone for the month of June and the gemstone for the *5th and the *5th wedding anniversary.