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Fine Jewelry University Articles matching: “clean emerald”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Tsavorite Garnet
… in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form … stones are below two carats. By some estimates, Tsavorite is around 200 times rarer than the much better known Emerald. Gemology Tsavorite’s rarity and beautiful green color reminds one of the other green garnet called Demantoid. Demantoid…
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Gem in the Spotlight: Pearl
… is important to consider all of them to ensure that you are properly valuing a pearl or strand of pearls. Care and Cleaning of Pearls Unlike most gems, pearls are an organic creation which means that they require a little extra care to …for generations. Last on, First off: Pearls are vulnerable to chemicals found in hair spray, cosmetics, perfume, and cleaners. Put on your pearls last when getting ready, and take them off first when you get home. Clean Carefully: Wipe …
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Gem in the Spotlight: Aquamarine
…passed down for generations but this tiara she special ordered from Garrard in 1957. The Gemology of Aquamarine Like emerald, aquamarine is a member of the beryl family (along with morganite, heliodor, and others). Unlike emerald, it is … suitable for regular wear. But, care should still be taken to ensure that the stone is not damaged. Caring For and Cleaning Aquamarine To maintain the brilliance of this beautiful gemstone, it should be immersed in jewelry cleaner or in …
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Synthetic Gems: The Whole Story
Ruby, sapphire, emerald and alexandrite are very beautiful gems and very rare in their stunning beauty. These four gems have been coveted by… years. But, what if anyone could own them? At gem shows and museums, I have seen jaw dropping rubies, sapphires and emeralds. These gems in high quality have put ownership beyond most people to justify the price. Just a one carat gem could …synthetic. Both, I feel, are impossible to identify in a piece of jewelry. Synthetic ruby, sapphire, alexandrite and emerald are very complex because there are different ways to make them. The inexpensive way to make the synthetic gems cost …
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Gem in the Spotlight: Tanzanite
… rarity and dynamic look, tanzanite is still less in price than more commonly known gems like rubies, sapphires, and emeralds. Gemology of Tanzanite Gemologists refer to this gem as blue zoisite. The vast majority (current estimates are …Tanzanite has a Moh’s hardness of 6-7, making it about the same hardness as quartz, softer than ruby, sapphire and emerald and hard than opal. Tanzanite has a refractive index of 1.69-1.70. History and Lore of Tanzanite Tanzanite was …
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Gem in the Spotlight: Topaz
… softer than diamond which is a 10 and corundum (sapphire/ruby) which is a 9 on the scale. It is a bit harder than emerald at 7.5-8 and quartz which comes in at 7. Here are some more gemological stats for reference: Refractive index: 1.619 … protect your topaz from hard knocks. It can be split with a single sharp blow, a trait it shares with diamond. Clean with mild dish soap; use a toothbrush to scrub behind the stone where dust can collect. Never use ultrasonic or steam …
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Gem in the Spotlight: Opal
…: “For in them you shall see the living fire of the ruby, the glorious purple of the amethyst, the sea green of the emerald, all glittering together in an incredible mixture of light.” During the Middle Ages, opal gained an interesting … grams) and measuring 3 x 1.8 inches long. Its size and quality make it an exceptionally valuable gemstone. Care and Cleaning While opal’s enchanting colors may seem otherworldly, it is important to care for this delicate gemstone to …
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Alternative Metals for Men’s Jewelry
… low thus making it suitable for making lightweight materials. Carbon fiber is relatively easy to maintain. You can clean it by washing with water or non-abrasive soap. Like titanium and other alternative metal rings, carbon fiber cannot … to tungsten carbide and sapphire. Ceramic can be polished to a high shine, and it is very durable. You can clean it by wiping the jewelry with a damp cloth and drying it with a lint-free cloth. Ceramic jewelry is strong and scratch-…
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Art Deco vs. Art Nouveau Style Jewelry
… Machine Age. Precious metals like platinum and white gold alongside rare and valuable gemstones such as diamonds, emeralds, and sapphires, were the materials of choice for Art Deco jewelry makers. The most prevalent diamond cut found in Art… symmetry, bold contrast, simplicity Materials of Choice Silver, semi-precious stones, enamel Platinum, diamonds, emeralds Prominent Designers Louis Comfort Tiffany Cartier, Van Cleef & Arpels Main Diamond Cut Old Mine Cut Old European …
