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Production Of Pearls
The pearl is formed inside the clamshell in place by a foreign object (sand, etc.). In contrast to the mineral structure of pearls sferolitov in part not only minerals but also organic substances. Mineral components of pearls did not touch each other, always dividing organic
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Shine the light on the game and pearls due to the interference of light on the wavy surface layers of nacre. Usually the pearls are white, sometimes cream or pink, there are also yellow, green, black and even blue pearls. Blue pearls are very rare, are of high value and attractive because of the rare, blue, lead-gray tint.
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Extraction of marine pearl is centered in the Red Sea and Persian Gulf, as well as off the coast of Sri Lanka and Japan. Freshwater pearls are produced in Germany, Russia, China and North America.
At the present time is not only search for natural pearls, but also growing it on an industrial scale (especially in Japan). Inside oysters placed beads of presovannyh shells, after which the oysters are returned to the water. After some time the beads coated with layers of nacre, extracted from the oysters.
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Artificial pearls recently widely used as a popular component to create jewelery and ornaments with their own hands. Modern technologies allow the creation of artificial pearls of all sizes, shapes and colors, while the cost of such pearls substantially below subsistence.
History knows many examples of truly giant pearls. However, none of them have survived to the present day: the pearl does not live more than 150-200 years.
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The pearl is formed inside the clamshell in place by a foreign object (sand, etc.). In contrast to the mineral structure of pearls sferolitov in part not only minerals but also organic substances. Mineral components of pearls did not touch each other, always dividing organic
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Shine the light on the game and pearls due to the interference of light on the wavy surface layers of nacre. Usually the pearls are white, sometimes cream or pink, there are also yellow, green, black and even blue pearls. Blue pearls are very rare, are of high value and attractive because of the rare, blue, lead-gray tint.
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Extraction of marine pearl is centered in the Red Sea and Persian Gulf, as well as off the coast of Sri Lanka and Japan. Freshwater pearls are produced in Germany, Russia, China and North America.
At the present time is not only search for natural pearls, but also growing it on an industrial scale (especially in Japan). Inside oysters placed beads of presovannyh shells, after which the oysters are returned to the water. After some time the beads coated with layers of nacre, extracted from the oysters.
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Artificial pearls recently widely used as a popular component to create jewelery and ornaments with their own hands. Modern technologies allow the creation of artificial pearls of all sizes, shapes and colors, while the cost of such pearls substantially below subsistence.
History knows many examples of truly giant pearls. However, none of them have survived to the present day: the pearl does not live more than 150-200 years.
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