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Fine Jewelry University Articles matching: “Cleaning Sterling silver”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Spinel
… healing powers related to reducing anxiety and revitalizing its wearer. The magnetic form, magnetite, is said to help bring balance and alignment to one’s internal energies calming mood swings and improving mental clarity. Care and Cleaning of Spinel Spinel is usually safe to be used in ultrasonic and steam cleaners, but certain inclusions can sometimes pose threats. The safest bet is to use warm soapy water and a soft-bristled brush. Or, you can always have your spinel …
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Anatomy of a Ring
… a jeweler can “re-shank” the ring by replacing the metal at the bottom of the shank, going as far up the sides as the design and the extent of the wear require. If you are careful with your rings (removing them when doing dishes, cleaning with harsh chemicals, gardening, etc.), the shank may last your lifetime and beyond. But, shanks that were thinner to begin with are more likely to need attention sooner. When shopping for a ring, look for one with a sturdy, thick shank …
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Gem in the Spotlight: Jade
… desirable piece of material. Green nephrite is mined all over the globe, but the main producers are Northwestern China, British Columbia, and Siberia. Myanmar (Burma) and Guatemala are the primary sources of jadeite. Care and Cleaning of Jade Both nephrite and jadeite can be damaged by the heat of a jeweler’s torch. Jade is generally safe in ultrasonic cleaners, but the treatments we just discussed can be damaged. Warm soapy water and a soft bristled brush are the safest …
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How to Value Inherited Jewelry
… minus any cost for re-cutting or re-polishing the gem if it is worn or cut in an obsolete style. Intrinsic diamond and gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, and silver prices are well publicized. The diamond and gem wholesale trade keeps their prices confidential, so there can be a large difference in these prices depending on the dealer you talk to. Using this standard can lead to a value that is …
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Gem in the Spotlight: Opal
… for its extraordinary play of colors and its rarity. This opal is quite large, weighing approximately 180 carats (36 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 maintain its brilliance. Opal is not as hard as some other gemstones, making it susceptible to scratches and damage from sharp …
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The Birthstones
… chase away evil spirits and dissolve curses but only when set in gold. Care should be taken to protect peridot from scratches, sharp blows, household chemicals and extreme temperature changes. Do not use a home ultrasonic machine for cleaning. Spinel was added as one of August’s birthstones in 2016, and we think it’s a great addition. Spinel is a beautiful gem that comes in virtually every color you can imagine. It has good hardness and durability making it suitable for …
