Abbott-Smith Manual Greek Lexicon
σμάραγδος (G4665)
1 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 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain