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What is a pearl?

Updated: 9/13/2023
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9y ago

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A pearl is a smooth lustrous round structure inside the shell of a clam or oyster; much valued as a jewel.
a smooth, rounded bead formed within the shells of certain mollusks and composed of the mineral aragonite or calcite in a matrix, deposited in concentric layers as a protective coating around an irritating foreign object: valued as a gem when lustrous and finely colored. usually a piece of sand that get inside the mollusks shell, since it is sharp the mollusks constantly rollys it around covering it with (in a since) saliva until it becomes a pearl

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9y ago
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