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Fine Jewelry University Articles matching: “Loose man made diamonds”
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Gem in the Spotlight: Tanzanite
…. The Queen of Kilimanjaro tiara contains the largest faceted tanzanite in the world. The tiara also contains 913 diamonds and 803 tsavorite garnets all set in 18 karat white gold. It is owned by former Apple CEO Michael Scott who routinely … could have been. They went to MIT geologists who discovered the gems were blue zoisite. Eventually, as the stones made their way through identification channels they found their way to the Henry B. Platt, the VP of Tiffany & Co. at …
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Gem in the Spotlight: Amethyst
…so keep that in mind when storing your amethyst jewelry. If you have an amethyst ring or other piece of jewelry with diamonds or other gemstones, you should be careful when cleaning it. You should use a soft brush to gently scrub the amethyst… woman on her way to pay tribute to the goddess Diana. In order to protect Amethyst, Diana turned her into a statue made of pure, crystalline quartz. Dionysus, upon seeing the stunning statue, wept tears of wine in remorse for his actions…
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The Difference Between White Gold and Platinum
… is itself a white metal. White gold and platinum have their own properties that make them unique. How is white gold made? White gold is an alloy of gold and some white metals such as silver, nickel or palladium. The white color is …ruthenium is often used as a hardener alloy. Platinum is usually marked with .900 or .950 to mark its fineness. Some manufacturers state what alloy they are using like 90% Platinum 10% Iridium. How white gold and platinum start out is …
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Gem in the Spotlight: Tourmaline
…. This includes bi-color, tri-color, and more. The most common combination of colors is green and pink, but many other combinations of colors exist. Parti-colored tourmaline occurs when the gem is getting formed and the environment … on which trace elements are present, as well as their concentration, different colors will be present. Copper, manganese, chromium, and vanadium are the key coloring agents in tourmaline. Another unique facet of tourmaline is its …
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Gem in the Spotlight: Topaz
… to put coatings on lenses for glasses and cameras. It is also one of the processes that is used to create lab grown diamonds . A thin, multi-colored film is bonded on the surface of colorless topaz to create all the colors you see in Mystic …prior to the Cullinan Diamond) at 1,680 carats and was set in the Portuguese crown jewels as such. It wasn’t until many years later that more modern testing identified it as a clear topaz instead. Even though its true identity is now …
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Gem in the Spotlight: Emerald
… seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and … are untreated. Fracture filling is a treatment to the stone that makes the fractures less visible. There are many ways to do this with oiling, natural resin, synthetic resin, silicone, and epoxy being the most. The basic technique …
