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Genuine Fossil Sea Biscuit

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Fossilized sea biscuits are ancient marine fossils that are primarily found in limestone and shale formations around the world. These fossils are the remains of a type of sea urchin that lived millions of years ago, and they are named for their round, flat shape, which resembles a biscuit or a cookie.

This measures 2.75" in diameter and comes from Madagascar.

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