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Petrified wood is not agate, although both are forms of silica. Petrified wood is formed when plant material is buried and mineralized over millions of years, replacing the organic material with silica, which retains the structure of the wood. Agate, on the other hand, is a type of chalcedony that forms in layers and is typically characterized by its banded appearance. While both can exhibit beautiful colors and patterns, their origins and formation processes are distinct.

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3w ago

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