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Zoology or Animal Biology
Garden Insects
Clams Oysters and Scallops

How long does a pearl in an oyster take to grow?

Answer

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January 17, 2008 11:23PM

In fact every clam, not just the oyster, can make pearls.

Pearls are made because of a tiny bit of dirt, sand or whatever, comes inside the clam.

The clam then makes 'mother-of-pearl' which is a substance that makes a pearl after a pretty long time.