Dictionary entry

σμάραγδος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

σμάραγδος, -ου, ἡ

(and in late writers also ὁ), [in LXX: Ex 28:9 (שֹׁהַם) 36:17 (39:10) (בָּרֶקֶת), Ez 28:13 (יַהֲלֹם), etc.;]

emerald or other trans parent green stone (LS, s.v.; DB, iv, 620; Swete, Ap., 67, 288): Re 21:19.†