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Imitation Pearl
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Sometimes customers interested in buying pearls are concerned that they won't know the real thing from the imitation. Here are some tests to help you determine if you are looking at well-done "fakes" are genuine pearls.
The tooth test
The tried-and-true method of determining if a pearl is real is to rub it against your teeth. Real pearls will feel slightly gritty and rough because of the layers of nacre than have formed over time.
An imitation pearl will feel smooth and glasslike. That's because the imitations are made by dipping a plastic or glass bead into some sort of paint, sometimes including iridescent fish scales.
If you are looking at a strand of pearls at an antique store or estate sale, look carefully at the drill holes. The coating over imitation pearls will fade, chip or even discolor over time. You can easily see chips or flakes around drill holes.
Warm versus cool
An old wives' tale says that if you hold real pearls in your hand, they'll be cool to the touch for several seconds before warming up. This is not a sure-fire method to check for authenticity.
The best way to guarantee you buy real pearls is to always deal with a reputable pearl dealer.
Author: Kevin Canning
Pearls Of Joy is the leading online retailor of cultured Akoya Pearls, Freshwater Pearls and Tahitian Pearls
Buying Pearl Jewelry Without Being Ripped Off
Buying pearl jewelry can be fun, exciting and confusing. Whether you're considering a gift of pearl jewelry for someone special or as a treat for yourself, take some time to learn the terms used in the industry. Here's some information to help you get the best quality pearl jewelry for your money, whether you're shopping in a traditional brick and mortar store or online.
Pearls
Natural or real pearls are made by oysters and other mollusks. Cultured pearls also are grown by mollusks, but with human intervention; that is, an irritant introduced into the shells causes a pearl to grow. Imitation pearls are man-made with glass, plastic, or organic materials.
Because natural pearls are very rare, most pearls used in jewelry are either cultured or imitation pearls. Cultured pearls, because they are made by oysters or mollusks, usually are more expensive than imitation pears. A cultured pearl's value is largely based on its size, usually stated in millimeters, and the quality of its nacre coating, which give it luster. Jewelers should tell your if the pearls are cultured or imitation. Some black, bronze, gold, purple, blue and orange pearls, whether natural or cultured, occur that way in nature; some, however, are dyed through various processes. Jewelers should tell you whether the colored pearls are naturally colored, dyed or irradiated.
Clams, oysters, mussels and many other mollusks with limy shells are known to produce pearls. But very few kinds yield gem pearls of jeweler's quality. The pearl is an abnormal growth of mother-of-pearl, or nacre, imbedded in the soft bodies of these shellfish. It is built up, layer upon layer, in the same way as nacre is added to the lining of the growing shell and always has the same color and luster. For example, over the country, hundreds of good-sized pearls are found each year in the oysters we eat. Unfortunately these have no commercial value regardless of whether they have been cooked or not because they are dull opaque white or purple like the shell of the parent oyster. In recent times almost all pearls of gem quality come from the oriental pearl oyster which has a bright shimmering translucent nacre.
A pearl starts growing when some irritating foreign substance such as a sand grain, bit of mud, parasite or other object becomes lodged in the shell-producing gland called the mantle. Pearls formed in the soft flesh where nacre can be added on all sides are most likely to be spherical and the most highly prized. By far the great majority are flattened or variously distorted and have little value. Size, color, luster and freedom from flaws are other essential qualities. Unlike other gems, such as diamonds, pearls have an average life of only about 50 years. In time the small amount of water in a pearl's make-up is lost and its surface cracks. Because they are mostly lime, necklaces which are worn often are injured by the acid secretions of the human skin.
About the Author
Sam Serio is a Marketer and writer. For more on jewelry and gemstones, visit
MORNINGLIGHTJEWELRY
to get your FREE copy of "How To Buy Jewelry And Gemstones Without Being Ripped Off." Get your FREE report at http://www.morninglightjewelry.com.
How to clean a copper/pearl necklace without damaging pearl?
I own a necklace which has the particular problem of being made with both copper and pearl. The design consists of a copper-casted imitation of a grooved scallop shell, with a small freshwater pearl inlaid, along with a rather intricate chain.
I am looking for a solution which would help me remove the oxidation from the copper thoroughly from all fine details, without damaging the pearl. All of the solutions that I've searched on the internet said to put it into some acidic substance like salad dressing or Worcestshire sauce, but acids damage pearls. Does anyone else have an alternative?
Tarn-X is an ammonia based jewelry cleaner.
On the Record
Man arrested for driving with alcohol MEDFORD—Upon conducting a motor vehicle stop for speeding on Mill Street June 26, police observed a 30-pack of Coors Light beer on the rear seat of the vehicle. David Curry, 20, of Andover Drive admitted the alcohol was his, according to police. He was arrested and charged with underage possession of alcohol and speeding.
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