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Fine Jewelry University Articles matching: “ultrasonic cleaners”

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Fine Jewelry University (Show All FJU Articles)

  1. A collection of jade jewelry and loose gems

    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 …

  2. Group of loose emerald gemstones

    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 (…

  3. Opal Rings With Loose Opal Gemstones

    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 …

  4. 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 …

  5. A group of tanzanite loose gems and rings

    Gem in the Spotlight: Tanzanite

    … it if the intended use is daily wear. Rings and bracelets set with tanzanite should only be worn carefully on occasion. We recommend cleaning with warm soapy water and a soft bristle brush. You should never clean your tanzanite in an ultrasonic cleaner or steamer. As if the amazing color of tanzanite wasn’t enough incentive to collect them, there is more to the story. In 2019, the Tanzanian government closed the only large-scale tanzanite mine in the world. There are a few …

  6. Single white round pearl on white background

    Gem in the Spotlight: Pearl

    …for generations. Last on, First off: Pearls are vulnerable to chemicals found in hair spray, cosmetics, perfume, and cleaners. Put on your pearls last when getting ready, and take them off first when you get home. Clean Carefully: Wipe your …. Also be sure to wipe them immediately if any potentially acidic liquid touches them like fruit juice or household cleaners. Occasionally, clean your pearls with a cloth dipped in mild, soapy water. Then, rinse the cloth with fresh water, …

  7. Three loose rubies in a row triangle oval and pear shaped

    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 …

  8. 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 …

  9. Get more cash for your gold and jewelry from Arden Jewelers

    How to Sell Your Jewelry

    …Use a mild soap with warm water and a soft toothbrush, then rinse thoroughly for most jewelry. A hard toothbrush and toothpaste or toothpowder will scratch gold and hurt some gems. The best cleaning tip is to know for certain the best cleaners to use on your jewelry and do it carefully. The jewelry industry has been recycling for millennia. In fact some of the gold in your jewelry could have been in use since the time of Jesus. Damaged beyond repair jewelry is bought at its…

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