Strong's Definition
from 1986 (in the sense of hardness); a precious stone, probably onyx
KJV Usage: diamond
STEPBible — Tyndale Abridged Hebrew Lexicon
יַהֲלֹם (ya.ha.lom) — jasper. 1) a precious stone (known for its hardness) 1a) perhaps the jasper, onyx, or diamond
UBS Dictionary of Biblical Hebrew
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
יַהֲלֹם n.[m.] a precious stone, jasper? (so 𝔊, 𝔙), or onyx? (appar. fr. √ הלם; owing to its hardness, as able to smite, hammer?)—mentioned in lists of precious stones Ex 28:18 39:11 Ez 28:13. done