Quick Definition
jasper
Strong's Definition
"jasper", a gem
Derivation: probably of foreign origin (see H03471);
KJV Usage: jasper
Thayer's Greek Lexicon
ἰάσπις, ἰασπιδος, ἡ (from Plato down), jasper; a precious stone of divers colors (for some are purple, others blue, others green, and others of the color of brass; Pliny, h. n. 37, 37 (8)): Rev_4:3; Rev_21:11; Rev_21:18 f. (But many think (questionably) the diamond to be meant here; others the precious opal; see Riehm, HWB, under the word Edelsteine, 8 and 10; B. D. under the word ; cf. 'Bible Educator' 2:352.)
Mounce Concise Greek Dictionary
ἴασπις iaspis 4x
jasper, a precious stone of various colors, as purple, cerulian green, etc. Rev_4:3 ; Rev_21:11 ; Rev_21:18-19
Abbott-Smith Greek Lexicon
ἴασπις , -ιδος , ἡ ,
[in LXX : Exo_28:18 ; Exo_36:38 ( Exo_39:11 ) ( H3095 ), Isa_54:12 ( H3539 ), Eze_28:13 ( H3471 , v. BDB , Lex., s.v. ) * ;]
jasper, apparently not the modern stone of that name, but a translucent stone ( DB , s.v. ): Rev_4:3 ; Rev_21:11 ; Rev_21:18-19 . †
Moulton & Milligan — Vocabulary of the Greek NT
ἴασπις [page 297]
Syll 587 .87 f. (iv/B.C.) σφραγὶς ἴασπις χρυσον δακτύλ [ιον ἔχοσα ,] σφραγὶς ἴασπις περικεχρυσωμένη . The word is Phoenician (Boisacq, p. 364).
Liddell-Scott — Intermediate Greek Lexicon
ἴασπις ἴασπι^ς, ιδος, ἡ, "jasper", Plat. (A foreign word.)
STEPBible — Tyndale Abridged Greek Lexicon
ἴασπις, -ιδος, ἡ
[in LXX: Exo.28:18 36:38 (Exo.39:11) (יַהֲלֹם), Isa.54:12 (כַּדְכֹּד), Eze.28:13 (יָשְׁפֵה, see BDB, Lex., see word)* ;]
jasper, apparently not the modern stone of that name, but a translucent stone (DB, see word): Rev.4:3 21:11, 18-19.†
(AS)