σάρδινος G4555
sárdinos · sar'-dee-nos · Adjective
from the same as σάρδιος; sardine (λίθος being implied), i.e. a gem, so called:--sardine.
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.