Cooper's Gem Mine

Amber is an organic gem, a fossilized, hardened form of resin from ancient pine trees.
Cleaning: Damp cloth; warm water-dish detergent solution. Dry completely

Amethyst is sometimes heat treated to bring out its purple color. Can possibly crack or fade in too high of temperatures.
Cleaning: Warm water-dish detergent solution and soft brush

Aquamarine (blue-beryl) can be heat treated to bring out its blue color. Too high heat can cause fading of this stone.
Cleaning: Warm water-dish detergent solution and soft brush

Diamonds are restored to brilliance when oils or grease are removed from their surface. Heat is not a problem.
Cleaning: Warm water-(grease-cutting) dish detergent solution and soft brush; Ammonia based cleaner

Emeralds are treated with an oil to help with breakage and color. Ultra Sonic and Steaming Cleaners are to be completely avoided.
Cleaning: Warm water-dish detergent solution and soft brush

Garnets are heat sensitive but for the most part are tough stones.
Cleaning: Warm water-dish detergent solution and soft brush

Jade is a very tough surface and may need professional repolishing from time to time.
Cleaning: Warm water-dish detergent solution and soft brush, dry-rub briskly

Opal is very sensitive to pressure and extreme temperature changes. They are very soft and fragile and can have surface cracks if exposed to harsh elements.
Cleaning: Warm water-dish detergent solution and soft brush

Pearls require special care.
Cleaning: Wipe with damp soft cloth. Stains should be removed with mild soapy solution and a damp cloth (do not dip pearl in solution) dry thoroughly. Blow out drilled holes carefully; moisture captured there causes disoloring

Peridot is a softer gem, acids and heat can cause damage. Easily scratches, avoid wearing with other jewelry.
Cleaning: Warm water-dish detergent solution and soft brush

Rubies are sometimes oiled. High heat can remove this oil, causing damage.
Cleanings: Warm water-dish detergent solution and soft brush

Sapphires can be oiled like the Ruby, which enhances it's color. Inclusions can weaken this stone and harsh chemicals are to be avoided.
Cleaning: Warm water-dish detergent solution and soft brush

Turquoise is porous. Harsh detergents and cleaning solutions can cause this stone to change color completely.
Cleaning: Warm water-dish detergent solution and soft brush. Dry immediately.

Tanzanite is fragile and soft. It is heat treated to bring out the blue and can be sensitive to heat and vibrations.
Cleaning: Warm water-dish detergent solution and soft brush

Topaz is very sensitive to vibration and heat. Ultra Sonic and Steam Cleaners must be avoided.
Cleaning: Warm water-dish detergent solution and soft brush

Tourmaline is a fairly hard gem. Due to the color changes in the stone itself these areas tend to be weaker. Can be sensitive to heat and vibrations.
Cleaning: Warm water-dish detergent solution and soft brush