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Thread: Nature at its best - formation of pearls

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    Nature at its best - formation of pearls

    Nature at its best - formation of pearls

    Pearls do not start from a grain of sand. They start from an "irritant". Which means something that can cause the mollusk harm such as a parasite. Oysters are very good at expelling sand from their shell. So it's a common myth that all pearls start from a grain of sand. Once an irritant has entered the shell The mollusk then starts covering the irritant with layers of nacre. Every layer builds the pearl and makes it harder, stronger and more colorful. Also, oysters can have more than one pearl. It depends on if more than one irritant entered the shell. If 3 parasites enter the shell there will be 3 pearls. Also any mollusk with a shell can grow a pearl, not just an oyster. A clam can grow pearls, so can abalone, so can marine snails, and muscles.

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  2. #2
    nice soft

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