Cultured pearl beads are divided into freshwater cultured pearl jewelry and sea water cultured two kinds of beads. Freshwater aquaculture beads non-nuclear, is in lakes, ponds and other water depth of no more than 4 meters in the natural growing environment; sea water cultured beads produced in tropical or subtropical shallow waters, are used in the rearing method of nuclear.
In seawater pearls, South sea pearl jewelry and Tahitian are the most precious beads. Of these, South sea pearls is in Need, generally ranging from 10-18 mm in diameter, is a heavyweight pearls, is extremely valuable, valuable. Tahitian pearls range from 10-15 mm in diameter, the general was black and dark gray. China’s Guangxi Hepu sea water beads the best and most famous.
According to color, pearls, white, gold, black tri-color. Currently highest value of gold pearls. Golden prolific in the Philippines, Indonesia, white produced in Japan, Southeast Asia and China, a black prolific in Tahiti. Teng chang qing said that while the growth of pearls will continue to grow over time, but because of the longer growth period, the greater the risk, therefore, commonly used as a fashion jewelry pearl with a diameter of 6-8 mm, 8 mm or more, the price on the will be higher. Generally about 12 mm in diameter, a good A light leather goods, wholesale price of each have 3,000 or so stars. The diameter of 14 to 15 mm Tahitian black pearls jewelry like black pearl necklace, wholesale price for each stars to 8000 to 9000 yuan.
It is said that the pearl was good, but should wear should not be hidden. The main mineral components of pearl aragonite and a small amount of organic matter and water. Pearl of the aragonite is very unstable and difficult to anti-water-soluble; organic matter, but a hundred years would have been a chemical change, 150 years will disappear. The best way is to save wear, because the human skin oils and alkaline secretion of sweat beads to protect film, wearing makes pearls longevity, idle is premature aging. According to experts, freshwater pearls smaller, large output, for beauty care and effective. Freshwater pearl necklace can be worn often have medical function of wound healing can also play a very good protection.
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