Word Summary
iaspis: jasper (a translucent stone)
Original Word: ἴασπις
Transliteration: iaspis
Phonetic Spelling: (ee'-as-pis)
Part of Speech: Noun, Feminine
Short Definition: jasper (a translucent stone)
Meaning: jasper (a translucent stone)
Strong's Concordance

Probably of foreign origin (see yashpheh); "jasper", a gem -- jasper.

see HEBREW yashpheh

Thayer's Greek Lexicon
STRONGS NT 2393: ἰάσπις

ἰάσπις, ἰασπιδος, (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)): Revelation 4:3; Revelation 21:11, 18f. (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.)