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Fine Jewelry University Articles matching: “10kt gold rope n”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Spinel
… advances have helped industry professionals differentiate between the two, it can be difficult without the proper tools and training. Today, spinel is finally being recognized as more than just “looks like ruby but isn’t.” A special … it on par with Topaz. It’s softer than diamond or sapphire but harder than quartz, tourmaline, and peridot. With proper care there’s no reason why a piece of spinel jewelry can’t last for generations even becoming a treasured family …
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Gem in the Spotlight: Blue Zircon
… color. But, zircon can be almost any color you can imagine including red, yellow, orange, brown, green, champagne, golden, saffron, and colorless. Zircon colors are pure and have that distinctive fire that sets it apart from other gems. …Zircon has a high refractive index (1.92-2.01). The refractive index (abbreviated RI) of a gemstone is its optical property that refers to the ratio of the speed of light in a vacuum to the speed of light through a transparent gem. Light …
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Gem in the Spotlight: Morganite
… which make it a great gemstone for jewelry. For the gem nerds out there, here are a few of the gemological properties of Morganite. Its durability is rated as excellent. Its hardness is 7.5 – 8.0 on the Mohs hardness scale which is …Morganite is a beautiful, soft pink gemstone and a graceful expression of elegance. It is not a very well-known gem, but it…It is pastel or pale in color by nature and known for its transparent peach-pink hue though it also occurs as soft pink, violet-pink, or pale salmon. It is the subtle, understated nature of Morganite’s color that sets it apart from …
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Gem in the Spotlight: Ruby
… gem material, they also share a refractive index of 1.762-1.770 and a specific gravity of 4.00. A unique optical property of rubies is that they emit fluorescent light at a very specific wavelength (694 nanometers) under certain … mentioned rubies in his work Natural History, including notes on their durability, which means that their physical properties have been known well for over 2,000 years. For much of human history, rubies have been the most prized gemstone…
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Understanding the Diamond Buying Game
How would you feel if your favorite soft drink tasted different in every can you drank? You expect a coke to taste like coke everywhere. In business, this is …. The soda is the same and you can shop based on price or convenience; the product is the same. People like shopping this way. I like it this way. Diamonds are not this way. The four C’s of diamonds are not that old, less than 100 … that system every business and diamond seller had their own system. It was impossible to buy a diamond without seeing it first. The GIA four C system is supposed to be an agreed upon grading standard but in reality this is not always …
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The History of Diamond Cuts
… cut looks a lot different than a 24 facet rose cut. Some cuts can vary by multiple facets and still be considered properly cut. With other cuts even changing 1 facet would result in the diamond being labeled a miss-cut (often causing it … or Peruzzi brilliant cut is another adaptation. The triple cut has 33 facets on the crown. The Old Mine and Old European Cuts When most people think of old diamond cuts they think of the Old Mine cut diamond. The Old Mine cut has the …
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What Are Lab Grown Diamonds?
…processes are highly advanced technologies that produce crystals with the exact same chemical structure and optical properties as natural diamonds. Now, let’s compare lab grown diamonds to some of the other gems that you might have heard … Moissanite also creates some confusion. It is a man-made, synthetic gem that actually has some diamond-like properties. For example, diamonds are especially good at transferring heat, and so is Moissanite. This is important because the …
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Gem in the Spotlight: Topaz
… one person say, “I love Topaz; it reminds me of a blue sky.” Then her friend says back, “Topaz may be like a golden sunset, but not the sky.” A third friend will chime in, “You’re both crazy, it’s like a beautiful peach.” Then, a …names: Imperial Topaz: When both orange and red colors are present (although much of the jewelry industry might call golden topaz imperial). Golden Topaz: Yellow to orange without any red component (could be called precious topaz if more …
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Fake Diamonds: The Great Diamond Attack
… corundum and spinal, Glass) or simulants are quite easy to separate. The diamond tester and understanding gem properties make choosing the diamond an easy task with these older lookalikes. Apathy and sloppy observation can let one of the…. This instrument has the ability to identify Moissanite. More on Moissanite Moissanite also has some gemological properties (it is a DR stone while diamond is a SR stone) that help identify it, but labs are working to change the nature …