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Is a pearl a stone?

Benjamin Martin | 2023-06-01 13:05:06 | page views：1567
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Harper Adams

Studied at the University of Amsterdam, Lives in Amsterdam, Netherlands.
An organic gem, pearls are formed inside mollusks such as oysters and mussels. They are formed when an irritant such as a tiny stone or bit of sand gets inside the mollusk's shell.
2023-06-07 13:05:06
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Abigail Wilson

QuesHub.com delivers expert answers and knowledge to you.
An organic gem, pearls are formed inside mollusks such as oysters and mussels. They are formed when an irritant such as a tiny stone or bit of sand gets inside the mollusk's shell.
Pearl - Facts, Lore, History, Myths and Pictures
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