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Fine Jewelry University Articles matching: “ultrasonic”

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Fine Jewelry University (Show All FJU Articles)

  1. Peridot is a bright yellow-green gemstone

    Gem in the Spotlight: Peridot

    … of 6.5 to 7 which makes it a little harder than Moonstone and a little softer than Topaz. 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. Instead, use warm soapy water and a tooth brush for at-home cleanings. If well cared for, Peridot jewelry can last generations. We have an excellent selection of Peridot jewelry and loose Peridot gems that we can set…

  2. Caring for and Cleaning Your Jewelry

    … 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 gemstones, know for certain it is safe to use. Ethyl alcohol …

  3. Tsavorite garnet is a rare and beautiful green gem

    Gem in the Spotlight: Tsavorite Garnet

    …It is also believed to help the immune system, breathing, and metabolism. Care and Cleaning Tsavorite is rated as “good” for everyday wear. You should avoid sudden temperature changes and never steam clean your Tsavorite Garnets. Ultrasonic cleaners are usually safe unless the gem has a preexisting crack or fracture. To clean Tsavorite, gently scrub it with a soft toothbrush and a solution of mild dish soap and warm water. Why Tsavorite Tsavorite has all of the qualities you …

  4. A group of alexandrite jewelyr and loose gems shown in different light to demonstrate color change

    Gem in the Spotlight: Alexandrite

    … life has its ups and downs, and so alexandrite is also connected with bringing a sense of balance and well-being. Care and Cleaning of Alexandrite Alexandrite should always be treated with care because of its value and rarity. While ultrasonic and steam cleaners are usually safe for alexandrite, warm soapy water and a soft-bristled brush are always the safest. With its innate durability and proper care a high-quality stone will last for generations. Why Alexandrite? …

  5. Loose fantasy cut aquamarine

    Gem in the Spotlight: Aquamarine

    … stone is not damaged. Caring For and Cleaning Aquamarine To maintain the brilliance of this beautiful gemstone, it should be immersed in jewelry cleaner or in lukewarm soapy water and cleaned with a small bristle brush. Don’t use ultrasonic cleaners on aquamarine. Since aquamarine is not typically very vibrant in color, it can look more dull if it gets dirty. If you notice that your stone isn’t looking quite as brilliant as you remember, it might just be dirty. You can try …

  6. Group of loose topaz gems and topaz jewelry

    Gem in the Spotlight: Topaz

    …scratch, you should protect your topaz from hard knocks. It can be split with a single sharp blow, a trait it shares with 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 rapid cooling or heating. Topaz is the birthstone for November and blue topaz is one of the birthstones for December. …

  7. Blue Zircon loose gems and jewelry

    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…

  8. Tourmaline jewelry and loose gems

    Gem in the Spotlight: Tourmaline

    …occasional wear or a pendant/earrings for daily wear. Because it isn’t exceptionally hard (Mohs hardness of 7-7.5), it should be stored away from other gemstones that could potentially damage it. Tourmaline should not be put into an ultrasonic cleaner or steam cleaned, and should only be cleaned with warm, soapy water. With proper care, a piece of tourmaline jewelry can last generations and even become a treasured family heirloom. Why Tourmaline So, now that you know a bit …

  9. Group of loose spinel gemstones with finished jewelry

    Gem in the Spotlight: Spinel

    … 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 jewelry professionally clean by a local jeweler like us. Spinel …

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