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Freshwater pearls are produced by Hyriopsis cumingi (triangle shell) and Hyriopsis schlegeli (Biwa shell) commercially in China, and other bivalve mussels that live in lakes, riverbeds and creek bottoms in Japan (Biwa pearls and Lake Kasumigaura pearls), as well the United States (Mississippi River Basin). Although most freshwater pearl information lists several areas of the world as home to pearl-producing mussels, the global freshwater market is overwhelmingly dominated by Chinese pearl farms, which account for over 89% freshwater pearls sold today.
At freshwater pearl farms, each mussel is surgically implanted with 22 to 28 tiny pieces of mantle tissue, a process known as nucleation. Once the tissue has been inserted, a sac forms and cells begin secreting nacre (pronounced NAY-ker), forming a calcium-carbonate compound - a pearl. Over the course of 3 to 8 years, the mussels deposit layer upon layer of nacre around the growing gems, generally producing more than two dozen pearls clustered on the inside of each shell.
After harvest, millions of pearls are sorted carefully and matched for size, shape, color, and quality. BAOYUE Pearl workers will inspect carefully to complete and sort pearl according color, sizes and shape , the loose pearls and pearl strings are all welcomed for pearls jewelry manufacturers from all over the world.
BAOYUE Pearl wholesale large quantity All sizes,All colors,All Shapes freshwater pearls with low prices.
Freshwater pearls actual sizing chart from BAOYUE PEARL
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