σαρδόνυξ, ῠχος, ὁ,
(σάρδιον) sardonyx, [[ 4th-3rd c.BC: Philemo Comicus 216, 2nd c.AD: Galenus Medicus 5.46, “Anthologia Graeca” 1.116, 1st c.AD: Josephus Historicus “Antiquitates Judaicae” 3.7.5, “BJ” 5.5.7, NT.Rev.21.20, Pseudo-Plutarchus Biographus et Philosophus “Fluv.” 20.4, etc. ] NT+4th c.BC+]The stone was called ὄνυξ when the dark ground was simply spotted or streaked with white, but σαρδόνυξ if the different colours were disposed in layers.