About cultured pearl at www.casijewelry.com/ August 4, 2009-Cultured pearl——formation of nacre in the body of animals, such as sellfish, mussel and so on. The nacre shows concentric or concentric radial structure, which is made of calcium carbon
August 4, 2009-Cultured pearl——formation of nacre in the body of animals, such as sellfish, mussel and so on. The nacre shows concentric or concentric radial structure, which is made of calcium carbonate (mainly aragonite), organic matter (mainly hard-shell protein), water etc. For all of the cultured pearls, nacre is the formation of a live mollusk’s secretions. Human intervention only to the beginning of the process, manual nucleus inserted or Insert.
Classification of cultured pearls
According to the growth of the waters of the sea, can be divided into saltwater cultured pearls and freshwater cultured pearls.
Approved in accordance with the availability of beads, is divided into nuclear cultured pearls and nuclear-free cultured pearls.
According to whether or not attached to the shell, can be divided into free-type cultured pearls and Hankei pearl
Freshwater cultured pearl——formation of Freshwater mussels vivo.
Different species according to the clam, freshwater cultured pearl can be divided into different sub-types: freshwater cultured pearls Hyriopsis cumingii, Cristaria plicata freshwater cultured pearls and mussels Anodonta and other freshwater cultured pearls.
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About Casijewelry Co., Ltd.
Casijewelry Co., Ltd., online wholesale & retail jewelry store in China, is mainly engaged in business of sterling 925 silver jewelry & freshwater cultured pearl jewelry,pandora jewelry. All pearls are directly from Chinese culutred pearl farms.
