Strong's Greek #5472
χαλκηδών

Englishman's Concordance (References)

χαλκηδών chalkēdōn — 1 Occurrence

Revelation 21:19 - N-NMS
GRK:ὁ τρίτος χαλκηδών ὁ τέταρτος
NAS: the third, chalcedony; the fourth,
KJV: the third, a chalcedony; the fourth,
INT: the third chalcedony the fourth