Depending on the type of pearl, black pearls are either created using treatments(dyes, irradiation) or in the case of Tahitian pearls,the black-lipped Pinctada margaritifera is responsible for the mysterious dark coloration. Interestingly the color of pearl produced is influenced by the host oysters shell color.
White pearls can yellow over time, but it is possible to brighten them up again. The acetone in nail polish remover can whiten old pearls and clean away stubborn stains.
If your pearls are visibly stained, you can mix a solution of lukewarm water and mild dish soap, dip a soft cleaning cloth in it and wipe the pearls. Do NOT submerge a pearl necklace in water, as it will weaken the silk thread. 3. Let them dry all the way before storing.
Pearls will naturally darken slightly with age and wear. The golden or creamy tones that come with age cannot be removed.
Did you know that pearls can change colors? It's something that can happen over time. White pearls slowly turn yellow as they age. Many people don't understand how this happens, or how to prevent it.
It's often assumed that because something's old it must be valuable. That's rarely true and certainly not for pearls. Advances in technology and culturing techniques mean you can buy a much better set of pearls for far less money than in grandma's time.
Do not use vinegar, lemon, or baking soda because they contain acids which could erode and damage the nacre. 2. Then, with a different damp clean cloth, softly rub the pearls carefully to be sure any soap or residue has been thoroughly removed.
Pearls contain organic substance, which can dry out and decay, which is why pearls have their certain life span, after which pearls start to grow dim, exfoliate and are finally destructed. This means special attention is required to ensure pearls will stay beautiful and last for hundreds of years.
"Pearls," he said, "must be worn frequently to preserve them. If you take a pearl necklace and lock it up you will find that in the course of years the pearls become dull and lose the sheen that makes them so valuable.
Keep pearls away from chlorine bleach, hydrogen peroxide, vinegar, ammonia, hairspray, perfume, and cosmetics, as these substances will damage the pearl surface. Make sure to put pearls on after finished spraying perfume or hairspray and putting on makeup.
Tahitian black-lipped pearls can be darker if they develop closer to the lips, and can also be a silvery gray color if they get wedged in a lighter portion of the oyster. If an oyster that typically produces white pearls has an unusual black coloring in its nacre, it too can create a blackish pearl.
Dark spots on the surface of a pearl can be subtle, but they can also concentrate in one area and can be very visible. Luckily, they can be removed during the bleaching process.
Unlike gemstones, pearls only last about 200 years before naturally degrading. If the nacre of your pearl is thin and fragile, it can easily be chipped off, leaving unsightly gaps, chips, or cracks, particularly if cleaned with harsh chemicals or put in a jewelry cleaner, such as an ultrasonic cleaner.
Worn often and properly cared for, pearls can look as good in 50 years as they did the day they left the store. Pearls are not the most durable of gems. Most everyday items at home and in the office are tougher than pearls, so careless contact can cause damage them over time.
The lip determines the pearl color. While the white pearls are also priced by jewelers, the gold pearl variety is the most coveted color. The gold South sea pearl's color can range from creamy white to deep gold, and the darker the color, the more expensive it becomes.
Wetting pearls is never a good idea, as it begins to destroy the jewel. Pearl necklaces are damaged when they get wet, because the water damages both the thread and the pearl . When wet, the thread that holds the beads together begins to stretch and lengthen, so it quickly loses the desired shape.
Never get pearls hot. Heat can destroy pearls and their settings. Always protect your pearls from scratching. Even a soft toothbrush can scratch the delicate nacre of a pearl.
Is it OK to wear pearls everyday? Absolutely. Pearl jewelry should be worn and enjoyed frequently, so avoid leaving your pearls in a security box for long periods of time. But as many jewelry, pearls are beautiful, but they are delicate and should be worn with care.
Nacre is composed of aragonite crystal layers separated by conchiolin, which is a protein secreted by mollusk shells. The thickness of these layers determines the color of reflection from the nacre.
Vinegar is acetic acid, and this is known to be especially damaging to the surface of a pearl. Even in weak formulations, the damage is rapid and irreversible.
Cosmetics, sun block, perfume and hairspray all contain chemicals that can dramatically dull the luster of a pearl. The natural acids contained in body oils and perspiration can also damage pearls in the same way.