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Webster 1913 Edition

Sardonyx

Sar′do-nyx

,
Noun.
[L., fr. Gr. [GREEK]. See
Sard
, and
Onyx
.]
(Min.)
A variety of onyx consisting of sard and white chalcedony in alternate layers.

Webster 1828 Edition

Sardonyx

S'ARDONYX

,
Noun.
[L. sardonyches, from Gr. from Sardis, a city of Asia Minor, and a nail; so named, according to Pliny, from the resemblance of its color to the flesh under the nail.]
A silicious stone or gem, nearly allied to carnelian. Its color is a reddish yellow, or nearly orange. We are informed that the yellow or orange colored agate, with an undulating surface, is now often called sardonyx.

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