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onyx marble
Variant of onyx
noun
- a variety of agate with alternate colored layers, used as a semiprecious stone, esp. in making cameos
- a translucent, finely crystalline calcite, often banded, found in stalagmitesalso called onyx marble
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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