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Natural pearls are cultured pearls and pearl of the points, cultured pearls have seawater and freshwater-of-hours. Natural pearl production less expensive prices, and large quantities can be cultured pearl output, the price is much lower. The main difference between the two is that natural pearls and cultured pearls are not nuclear. The core of natural pearls are just some sand or parasites, and so on, not even nuclear. And cultured pearls is the core of the production of larger Yuanzhu, the thin layer outside the package. Manifested in the body surface, natural pearls because of the growth environment is random, very few foreign body in the rolling, the circular shape of the poor. Cultured pearls core spheronization, a round of better-after. As natural pearls of a long time, so-after a delicate texture, beads of thick, smooth skin, very few "convex bubble," and more transparent. Cultured pearl beads due to a short-time, thus-thin, rough texture, shiny belt "wax"-and there are some convex surface of the "mini bubble", transparency is also poor. If it is the pearl has been perforated with holes magnifying glass carefully observed, in the case of cultured pearls, the general could see beads with a brown line, which is the core and later Add to the growth of pearls out of the dividing line between.

At present, the market also often imitation pearls, the general is coated with glass beads or silver powder made of scale, with its shiny Pearl obviously really different, not the same weight, a little experience can be identified. If a nail or small Daogua immediately after the exposed true colors.