chalcedony: Meaning and Definition of

chal•ced•o•ny

Pronunciation: (kal-sed'n-ē, kal'su-dō"nē), [key]
— pl. -nies.
  1. a microcrystalline, translucent variety of quartz, often milky or grayish.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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