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chalcedony

kal-SED-uh-nee

kælˈsɛdəniː

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Syllable breakdown

chalcedony

Dictionary meaning

A cryptocrystalline form of silica, including agate, jasper, and onyx, with a waxy lustre.

History and origin

Named after Chalcedon, an ancient city in Asia Minor.

Common mispronunciations

CHAL-seh-doh-neechal-KED-oh-nee

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