Seawater Cultured
Wednesday, February 18th, 2009
Few women do not like pearls. It is so bright and beautiful. But how cultured pearls? As we know, the pearl, symbol of purity, virtue and modesty, is also one of the more precious jewels. Technically known as "organic gems", pearls have been harvested and used for over 4000 years. His appearance, and how they are acquired has changed significantly during this period and especially during the last hundred years. Pearl Jewelry, but remains a classic.
It is formed when a pearl irritant such as sand or a parasite, is housed in the shell of an oyster. The deposition of layers of oysters material semi-transparent Crystal called "nacre" around the intruder, the construction of layers for years, and the creation of a pearl. Natural pearls take many years to develop, and often have irregular shapes, from the outer spherical to twisting, bulging shapes called "baroque." In any case, are rare and very expensive.
Around the early 20th century, it was reported that if a sphere of material was placed in a clam and oyster stimulated correctly, the oyster would create an almost perfectly round pearl. The longer the pearl oyster, the larger and more valuable the pearl becomes. They are called "cultivated" beads. Almost all pearls used in jewelry today are cultured pearls.
The pearls are grown worldwide, but Japan, China and the U.S. remain at the forefront of production. Different types of oysters in seawater or freshwater mollusks, create cultured pearls with different sizes, colors and other qualities.
Cultured pearls are classified into five different categories:
Luster and orient
Luster is the sharpness and intensity of the reflections on the surface of the pearl, and orient is the iridescent colors that sees in the pearl. More brightness and East, the more valuable the pearl.
Color
Color describes both the basic color (usually white, black or yellow) and background (often pink or even green.) Beads can also be dyed in all shades depending on preferences personal.
Clean
This describes how many imperfections on the surface of Pearl. All real pearls - natural or cultured - some will imperfections, but less sensitive than the best.
Shape
In In general, spherical pearls are the most valuable. However, it is common to find small imperfections in shape, which may sometimes be desirable, provided they are symmetrical. Lot of beads, for example, is often used in earrings and pendants.
Size
Cultured pearls are sold by diameter, measured in millimeters. In Generally, cultured pearls are rarer and more expensive. But also how many beads are combined in jewelry as a necklace or earrings. Look for pearls that are essentially the same size, color, shape and brightness. Note that the beads to respond better to a piece of jewelry, more cost. Therefore, pearl earrings cost more than two individual pearls.
When buying pearls, remember they are quite soft gems. They can be easily removed if you bump other objects or jewelry. Keep them separate from harder gems in the box Jewelry.
Black cultured pearls
Black Cultured pearls come from a variety of sources. The rarest are those of a large black-oyster Lip located in the South Seas. These oysters create large silver-gray to black pearls that can have other colors and tones - well most Precious peacock green.
Given the rarity of the South Black Sea cultured pearls, the increase in black cultured pearls can be used as an alternative. These are dyed all the way using a process called "French dying", which produces the same color that lasts for years. But what are the colors that are real cultured pearls and must be handled with the same care as any other.
Freshwater pearls
Recently, techniques have been developed to culture pearls in freshwater snails. They are sometimes called "Biwa pearls," after the lake in Japan where he developed, but today that name should be used for cultured pearls from Lake Biwa.
Freshwater pearls are grown worldwide, but China is the largest producer. Some are spheres and used like round beads, others are in the form of button is used for jewelry accent, some are in the form of blisters or Crispie shaped rice. Large Mabe are often called, often used in earrings and other pieces with closed backs.
Care for your pearls
The pearls are beautiful but are also sensitive Rules of jewelry. The layers of nacre form a pearl is soft and easily damaged. Because it is an organic compound, a pearl can be easily cut or even eaten by chemicals and alcohol.
Cultured pearls should never be washed in mild soap and water - nothing else. It is also a good idea to put them in for restringing every two years, especially if you use a lot.
About the Author:
For more specific information about fashin and jewelery, try visiting
www.himfr.com
,one of the most popular China
jewelery
trade platform on the web.
Article Source: ArticlesBase.com - Do You Love Cultured Pearls?
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ES GENUINE JAPANESE AKOYA SEA WATER CULTURED NATURAL WHITE PEARL NECKLACE 14K YG
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6-7mm natural white seawater cultured pearl loose beads gem strand 15.5"long
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