How do clams make pearls?

Asked on near Litchfield, IL
Topics: AnimalsMollusksPearls, Clams, Precious stones, Jewelry


Thomas Lemos

I'm assuming you mean oysters, since while clams are similar creatures, oysters are the ones that make pearls.

Creation of pearls occurs because the soft oyster is trying to protect its soft body from items like sand that can wash into its shell case (Oysters have a top and bottom shell like a clam with the oyster inside and the two halves connected by a muscle.)

When the sand comes in, the oyster releases pearl material to coat the sand bit.

Maggy Baker

Pearls are the result of a biological process. It is the oyster's way of protecting itself from foreign substances.

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How do clams make pearls?

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