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Fine Jewelry University Articles matching: “Ultrasonic cleaner”
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Fine Jewelry University (Show All FJU Articles)
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Gem in the Spotlight: Topaz
… diamond. Clean with mild dish soap; use a toothbrush to scrub behind the stone where dust can collect. Never use ultrasonic or steam cleaners on topaz. Sudden changes in temperature can fracture the stone, so care should be taken to avoid …
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Gem in the Spotlight: Blue Zircon
… that scientists currently estimate that the earth formed around 4.56 billion years ago, that makes Zircon one of the earliest known gems. The Care and Cleaning of Zircon Zircon care and cleaning is simple: avoid steamers or ultrasonic cleaners. This is particularly important with stones that may have been color enhanced (like most Blue Zircon). Also, avoid the use of harsh cleaning chemicals or agents, especially bleach and acid. Clean the gem using a soft cloth or brush and a mild …
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Gem in the Spotlight: Spinel
… 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 …
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Gem in the Spotlight: Amethyst
… 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 and avoid using ultrasonic cleaners, as these can damage the gemstone. Why Buy Amethyst There are many reasons why someone might want to buy amethyst. One of the main reasons is its beautiful violet color, which can complement a wide range of skin tones and wardrobe …
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Gem in the Spotlight: Jade
… 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 ways to care for your heirloom jade. Almost all jade is treated with wax to help improve its appearance. The wax fills pores…
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Gem in the Spotlight: Ruby
… dishwashing detergent in solution. Soak the piece for 15 minutes, and then clean with a soft brush. Rinse with clear water and examine under good light for any remaining residue. If there is any, repeat the process. You can use an ultrasonic cleaning machine with rubies, but use caution as these machines can cause loose gems to come out of their settings. Remember to dry your ruby jewelry thoroughly before wearing or storing. Why Ruby? Rubies are a truly remarkable gemstone …
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Gem in the Spotlight: Emerald
…soft cloth and warm, soapy water. As we discussed above, most emeralds are fracture filled. So, you should never use ultrasonic or steam cleaners because they can permanently damage the filler material. Despite being a relatively hard stone (…
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Gem in the Spotlight: Opal
…. To keep opal at its luminous best, wiping it clean with a soft cloth is recommended. Avoid the use of home ultrasonic machines or abrasive jewelry cleaners that could potentially damage the stone’s surface. For more valuable stones, setting …
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The Birthstones
… that peridot could 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 …
