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Definition
| common name for the pinctada fucata oyster and the natural or cultured pearls it produces |
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| a crystallized form of calcium carbonate found in nacre |
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| a bead used as the core of a cultured pearl, usually made from a freshwater mussel shell |
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| a non-nacreous natural "pearl" |
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| the organic "glue" in nacre that holds aragonite platelets together |
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| a cultured pearl brown around a nucleus glued under the mantle tissue inside a mollusk's shell |
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| a pearl formed as the result of human intervention in the formation process |
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| the reproductive organ that produces eggs in females and sperm in males |
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| a necklace with the largest pearl in the center and progressively smaller pearls approaching the clasp |
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| a number of similar cultured pearl strands bundled together |
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| describes mollusks bred in laboratory tanks and grown in protected areas rather than collected as adults in the wild |
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| an assembly composed of a nacre dome, filler, and a mother-of-pearl backing |
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| the organ that lines the mollusk's shell, encloses its soft body, and contains the cells that form pearl sacs and secrete nacre |
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| a small square of mantle tissue cut from a donor mollusk and implanted in a host mollusk with or without a bead |
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| the nacreous layer inside a pearl-bearing mollusk's shell |
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| the natural substance produced by pearl-bearing mollusks to make pearls |
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| a pearl that forms without human assistance |
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Definition
| a nacreous, organic gem formed in the body of a mollusk |
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Definition
| tissue that encloses an implanted bead nucleus and mantle-tissue piece, or the piece alone, and secretes nacre to form a cultured pearl |
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| a company that prepares cultured pearls for the market |
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| chinese freshwater cultured pearls shaped and textured like rice grains |
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| a simple necklace typically composed of pearls; also, pearls very close to the same size strung without a clasp for wholesale marketing |
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Definition
| a necklace featuring pearls that are very nearly the same size |
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