σαρδόνυξ

Derivation

from the base of G4556 (σάρδιος) and (the nail of a finger;

Meaning

hence the "onyx" stone); a "sardonyx", i.e. the gem so called

In the King James Version

sardonyx

Translated as

sardonyx (1)

Where it appears

Found in 1 verses

Revelation

21:20