The Culture Of Pearl Harvesting And Processing

Nearly all pearls sold today are cultured pearls on the farm. Most farmers raise their own oysters with eggs and sperm of high quality that have developed over the years. When the oysters have matured enough, a mother of pearl pearl found in the internal tissue. X-rays are used to monitor your progress until harvest. The harvest usually occurs during the winter months when the oysters metabolism has slowed. The depots are open and the pearl is removed. Depending on the type of oyster, is being used for other purposes or returned to the oyster is left out. The rest are sold at very low prices, the pearl is removed and the mother of pearl bead is implanted, or they are trying to improve the brightness. All cultured pearls are cleaned and polished to improve the brightness before being sold to jewelers. There are additional treatments that are applied to lower quality pearls to develop a marketable product.

Such treatment is the use of silver nitrate to darken the color or colors. Akoya pearls are often treated with rose. Another type of treatment that irradiation with gamma rays to darken the core of saltwater pearls, making a bluish tinge. It is not considered desirable as a layer can optionally Peel and reveal the surface of the pearl of inferior quality. When you buy some slightly irregular aspect of its colors. covered must be identified with a magnifying device to determine if the pearl has a scaly surface. Unscrupulous dealers have been known to sell beads coated undisclosed treatment.
The techniques developed and perfected over the last century have allowed farmers to produce grains that meet modern specific rules.