Many people are happy to pay the higher price for natural gems because they treasure gems that formed naturally within the Earth. If you spend time studying them, you might note that the synthetic gems usually have better clarity and better color than natural gems of similar price. Many of them will likely be synthetic or lab-grown ruby. Today, if you go to a mall jewelry store such as Zales or Kay Jewelers, you will encounter a case with a large assortment of ruby jewelry items for sale. Lab-grown rubies have been in the United States jewelry market since the early 1900s. Lab-grown ruby is very common in jewelry stores in the United States. Natural rubies have historically been expensive gems, but recent discoveries in Africa bring many attractive natural rubies into the market at affordable prices. The most desirable and valuable colors are pure red and slightly purplish red. Rubies range in color from orangy-red, to red, to slightly purplish-red. Today, most of the citrine in the marketplace results from the heat treatment of amethyst. With its ready availability in a broad range of sizes, citrine is one of the most affordable and desired yellow gemstones.Ruby is the birthstone for the month of July and the world's most popular red gem. Citrine, believed to derive from the French word for “lemon” ( citron), is given for the thirteenth wedding anniversary. It was particularly popular in colourful Scottish jewellery from the Victorian era. Roman pontiffs wore rings set with massive purple amethysts, and citrine has been reported in Roman jewellery. The ancient Greeks carved rock crystal ornaments from it that glistened like permafrost. They believed that citrine could soothe tempers and calm the wearer. As a result, people thought that citrine had the same powers as topaz. Citrine has been a popular gemstone since ancient times and has shared a history of mistaken identities with the other November birthstone, topaz. This November birthstone is the transparent yellow to brownish orange variety of quartz, which has been used in jewellery for thousands of years. An alternate explanation, especially popular in Brazil, is that it dates from an 1881 visit by Brazilian Emperor Pedro II to Ouro Preto-the town closest to Brazil’s most productive topaz mines–and the gift of a reddish topaz to him.īlue topaz is the gem of the fourth wedding anniversary, and Imperial topaz is the gem of the 23rd wedding anniversary. It is commonly believed that the name originated with the Russian royal family’s insistence on keeping the finest colours of this gem, which was mined in Russia’s Ural Mountains, exclusively for their use. The distinctly pinkish orange Imperial topaz has aristocratic cachet. For centuries, many people in India have believed that topaz worn above the heart assures long life, beauty and intelligence. From the 1300s to the 1600s, Europeans thought it could thwart magic spells and dispel anger. The ancient Greeks believed that topaz gave them strength. This November birthstone was long thought to have many benefits. Others trace it back to the Greek topazos. Some believe the word “topaz” comes from the Sanskrit word tapas, which means “fire”. The rainbow effect seen in “Mystic Topaz” is created by coating colourless topaz with a thin artificial film. The vast majority of blue topaz seen today is the permanent result of treating colourless topaz with irradiation and heating. The variety of topaz hues includes colourless, light blue, yellow, orange, pink, violet, brown and, very rarely, red. Comprehensive CAD/CAM For Jewellery Certificate
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