σμαράγδινος G4664
smarágdinos · smar-ag'-dee-nos · Adjective
from σμάραγδος; consisting of emerald:--emerald.
1 Occurrence in the King James Bible
Revelation 4:3And he that sat was to look upon like a jasper and a sardine stone: and there was a rainbow round about the throne, in sight like unto an emerald.