Sardonyx

//sɑː(ɹ)ˈdɒnɪks// noun

Definitions

Noun
  1. 1
    A gemstone having bands of red sard; a variety of onyx or chalcedony. countable, uncountable

    "The fifth, sardonyx; the sixth, sardius; the seventh, chrysolyte; the eighth, beryl; the ninth, a topaz; the tenth, a chrysoprasus; the eleventh, a jacinth; the twelfth, an amethyst."

  2. 2
    an onyx characterized by parallel layers of sard and a different colored mineral wordnet

Etymology

Inherited from Middle English sardonix, sardonyx (c. 1382), from Latin sardonyx, from Ancient Greek σᾰρδόνῠξ (sărdónŭx). Doublet of sardoin.

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