Quick Definition
τοπάζιον, ου, τό n.n. topaz
Strong's Definition
of uncertain origin); a gem, probably the chrysolite
Derivation: neuter of a presumed derivative (alternately) of (a "topaz";
KJV Usage: topaz
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
τοπάζιον, -ου, τό, (neut. of the adj. τοπάζιος, fr. τόπαζος), topaz, a greenish-yellow precious stone (our chrysolith [see BB. DD., esp. Riehm s. v. Edelsteine 18]): Rev. xxi. 20 (Diod., Strab.; Sept. for 7303, Ex. xxviii. 17; xxxvi. 17 (xxxix. 10); Ezek. xxviii. 13. The Grk. writ. more commonly use the form romagos).
Mounce Concise Greek Dictionary
τοπάζιον topazion 1x
a topaz, a gem of a yellowish color, different from the modern topaz, Rev. 21:20*
Abbott-Smith Greek Lexicon
† τοπάζιον, -ου, τό
(and τόπαζος, ὁ), [in LXX: Ex 28:17 35:17 (Ex 39:10), Jb 28:19, Ez 28:13 (פִּטְדָה), Ps 118 (119):127 (פָּז)* ;]
topaz: Re 21:20 (v. Swete, in l.).†
Moulton & Milligan — Vocabulary of the Greek NT
Liddell-Scott-Jones — Greek-English Lexicon
τοπάζιον (topazion) — topaz. τόπαζος, ὁ, a gem of green hue [Refs 1st c.AD+], hence probably chrysolite or peridot, [Refs 1st c.AD+]:—also τόπαζον, τό, Eust.ad [Refs 2nd c.AD+]; τοπάζιον, [LXX+1st c.BC+] gives the name of topazon (variant topazium) to two varieties. (From the Trogodyte language accusative to [Refs 1st c.AD+] [same place]; perhaps the same as ταβάσιος.)