Ultrasonic Jewelry Cleaning

Written by Linda Alexander
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Ultrasonic jewelry cleaning is done by professional jewelers to keep their jewels sparkling. They are safe for cleaning diamonds, rubies, sapphires, gold, silver, and platinum. Usually, they are safe for use on amethyst, bloodstone, carnelian, chalcedony, chrysoprase, citrine, garnet, jade, onyx, quartz, rhodozite, spinel, and taaffeite.

Ultrasonic jewelry cleaning units require an environmentally safe cleaning solution. The concentrate comes in a bottle, and you should dilute it with water at a 20 to 1 ratio. It should not irritate your skin. There are also extra-strength formulas for the removal of hardened grease and polishing compounds like Tripoli rouge.

When Ultrasonic Jewelry Cleaning Isn't Right for Your Gems

For softer gemstones, there are other types of jewelry cleaners. Sonic cleaners use sound waves (not high-frequency, like ultrasonic) to blast contaminants off jewels. Ionic cleaners are also available in household units. They are much gentler and safer than other units. The ionic cleaners will also remove tarnish without damaging the finish on antique jewelry and also cleans waterproof watches.

If you don't want to go with an automatic cleaner, there is also the old fashioned method of cleaning your jewels by hand. A soft cotton cloth will rub fingerprints and dust off even the softest gemstones. If you are not sure what type of cleaner to use on your jewels, go with this method, or consult a professional jeweler. Do NOT use ultrasonic jewelry cleaning machines on jewelry that you are not sure how to clean. Though gentle, they are not made for every gemstone.


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