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Fine Jewelry University Articles matching: “Pink terms line”
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Gem in the Spotlight: Ruby
… in the color red which comes from trace amounts of chromium in the crystal structure. If they are too purple or too pink, they are called purple sapphires or pink sapphires, respectively. Since sapphires and rubies are the same gem …Sanskrit. Rubies get their name from the Latin word “ruber,” which means red. This is also where rubellite tourmaline (the red variety of tourmaline) gets its name. Pliny the Elder mentioned rubies in his work Natural History, including …
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Diamond Brokering
…price? A subtle difference in a diamond impacts the price significantly. Our expert guidance system helps: Understanding the basic diamond value system Understanding the expert diamond evaluation system Inform in technical or layman’s terms the true nature of the diamond Years of expertise as a diamond buyer and wholesale seller Finding our clients the best value drives us. Our brokerage has links to hundreds of diamond importers, wholesalers, dealers and traders. We use…
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Diamond Buying Guide: The 4 C’s
… is divided into 100 points. A diamond can be described as 75 points or 0.75 carats or 3/4 of a carat. It is a good practice to know the exact weight of a diamond when buying or selling. The weight of a diamond is often thought of in terms of its size. If you know that you like the look of a 1 carat, for example, you can use this C as the starting point for your diamond search. Once you know the carat weight and your budget, you can adjust the quality of the diamond to …
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Fake Diamonds: The Great Diamond Attack
… is dealing with these well known simulants easily. The diamond tester (thermal inertia testers) is the front line in finding diamond fakes or look a likes. Modern science has developed a man made gem that can fake out the standard … 2.65, dispersion of 0.0104, and a specific gravity of 3.21. More creative uses of this man made gem are in the pipeline. The Big Bad Synthetic In the gem world we use words with particular meanings. Synthetic is one of those words. …
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The Magic of Polarized Light
…will split incoming light in multiple directions. Some common examples of doubly refractive gems are sapphire, tourmaline, and moissanite. These are contrasted with singly refractive (SR) gems like diamond that only bend light in one … filter is fitted over the magnifier. When twisted, if the stone is doubly refractive, the refractive index line will jump from one number to the next. Once you know if a stone is doubly refractive or not you can use that information to …
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Gem in the Spotlight: Sapphire
…red (the red variety being known as ruby), but is especially popular in deep blue. Fancy colored sapphires including pink, green, orange, and golden yellow are magnificent in any jewelry. See More on Etsy › With the exception of the …useful industrial tool. One last legend, the star sapphire has been called “the stone of destiny”; its three crossed lines represented faith, hope, and
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Gem in the Spotlight: Jade
…can be carved, and can be taken to a high polish. Nephrite is commonly found in a darker olive green color but can also be very light green, orangey-red, black, and yellowish green. Jadeite can come in many different colors including pink, purple (often called lavender jade), blue, black, white, and the most valuable/desirable color: a vibrant green. The finest of all green jadeite colors is a saturated emerald green that is almost transparent, and it is called “…
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Gem in the Spotlight: Opal
… to have a black body color. A gemologist with right training and equipment will be able to detect this treatment. Opals can also sometimes be dyed, giving them an unnatural but fascinating body color such as a vibrant green or pink. Some opals that have cracked can sometimes be reused by making “mosaic opals” gluing smaller broken pieces of opal together in something similar to stained glass windows. This is also a good time to discuss doublet and triplet opals. These …
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Gem in the Spotlight: Topaz
… is available from light Sky Blue to dark London Blue. Topaz is also found in less commonly known colors like green, pink, and purple. Imperial Topaz is by far the most valuable variety, while colorless topaz is often the least expensive…use a neutron bombardment method in a nuclear reactor to produce the London Blue Topaz. An electron bombardment in a linear accelerator results in the light Sky Blue Topaz. If both treatments are used, they produce Swiss Blue Topaz. …
