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Fine Jewelry University Articles matching: “Garmin Fenix 6X Pro”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Tourmaline
Tourmaline is one of the most beautiful gems that you’ve probably never heard of. Less popular than the likes of ruby or sapphire, tourmaline flies under the radar in the gem … and green edges that resembles a watermelon. Crystals of this type are often cut in slices to display this unique property. One of tourmaline’s most distinctive traits is its ability to be multicolored as mentioned above with watermelon… rubies ever found until it was identified as rubellite in 1922. Folklore suggests that tourmaline could help improve self-awareness, self-confidence, psychic energies, communication, and the ability to relax. In the 18 th century, a …
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Caring for and Cleaning Your Jewelry
…be scrubbed several times before all the build up is removed. Some don’ts of jewelry cleaning. Never use chlorine or products that contains it. Don’t use a hard toothbrush because they tend to scratch the metals (gold, platinum, etc.). … also degrade the solder used in jewelry, be careful of long exposure to these types of soaps (people in the medical professions especially). It is safe to use an ultrasonic cleaner with diamond jewelry. Ultrasonic’s can damage other …
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Gem in the Spotlight: Tanzanite
…, near Mount Kilimanjaro, by a Maasai tribesman named Ali Juuyawatu, although the credit often goes to an Indian prospector named Manuel de Sousa who Ali showed the stones to. Manuel had originally thought he found sapphires, but after …tanzanite is stable and won’t be harmed under normal conditions the low hardness and poor to fair toughness (and a property called cleavage, which is a tendency to break when struck) means that care should be taken to avoid sharp impacts…
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Diamond Buying Guide: The 4 C’s
… facet patterns. When you are choosing a diamond shape, keep in mind that different shapes have different light properties. Some shapes, like round, are especially good at returning light to the viewer which makes them sparkle more than … component to diamond cut is the way the facets are positioned on the diamond. When a diamond is cut to quality proportions (regardless of its shape) the maximum light is returned through the top of the stone giving a great light show. …
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Fake Diamonds: The Great Diamond Attack
… many new diamonds and diamond lookalikes. “What is a real diamond?” is a difficult question these days. And the problem of separating a fully natural diamond from all the modern possibilities is quite demanding. So what is a real … 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 …
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Gem in the Spotlight: Blue Zircon
…? 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. … jewelry dating from the 1880s. Tiffany’s famous gemologist George Kunz was a distinguished zircon advocate. He proposed the name “starlite” to promote the gem’s fiery nature. Unfortunately, the name never caught on, and today we use the…
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The History of Diamond Cuts
… the shape of an “M” in 1477. The Earliest Diamond Cuts Once it was understood that only diamond can cut diamond the process of changing the shape of a diamond began. In the 15th century cutters would saw off part of the octahedron to … 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…
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Gem in the Spotlight: Spinel
…ago when scientists who were trying to synthesize blue sapphire wound up creating spinel by mistake. Since then many processes have been used and perfected to create spinel in even more colors than it is naturally found in. Because of … separate the two. Natural spinel has a refractive index of 1.718 while its synthetic counterpart (depending on the process used) has a refractive index of 1.728. In recent years, scientists have developed new techniques to synthesize …
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How to Sell Jewelry on eBay and Other Websites
…the cost of the listing, how many times it takes to sell, shipping and supplies, insurance, the fees for credit card processing, other fees for things like appraisals, etc.). Two types of people shop online. First, there are the ones who… it to sell, no photographing, describing, pricing, no hassle at all. Our gemologist buyers are fast, friendly, and professional, and our 20+ years in Sacramento mean you know you’re getting a great deal from a safe and reputable jeweler…
