Light and heat can affect a colored gemstone's durability and color. Excessive heat and sudden temperature changes may also fracture the gem. Heat can easily remove the natural moisture some gems need to retain their beauty. Pearls can dry out, crack and discolor.
Exposure to chemicals can damage and discolor precious metals; gold, silver, and platinum and may harm some colored gems.
Elma Blint jewelry should be removed before swimming in a chlorinated swimming pool, or before using household cleaners. Many cleaners contain ammonia, which is only safe for diamonds. Chlorine bleach, another common household solvent, can deteriorate gold alloys.
Clean most colored gems with warm water, mild soap (no detergents), and a soft brush. A pulsed-water dental cleaning appliance and a soft, lint-free cloth can also be used.
Soft gems, such as pearls, on the other hand, can easily be scratched. We suggest using an unused makeup brush instead, and warm, soapy water. Lay the pearls on a towel to dry. The wet string can stretch and attract dirt, so don't touch a string of pearls until they are completely dry. Pearls worn every few days should be restrung once a year.
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