Strong's Definition
from an unused root (probably meaning to freeze); crystal (from its resemblance to ice)
KJV Usage: pearl
STEPBible — Tyndale Abridged Hebrew Lexicon
גָּבִישׁ (ga.vish) — crystal. crystal
UBS Dictionary of Biblical Hebrew
noun m · אֶלְגָּבִישׁ
Gemstones
crystal = a solidified rock, typically covered by many smooth faces, which often have geometrical shapes, ≈ appreciated for value and beauty
UBS Dictionary of Biblical Hebrew © United Bible Societies, licensed CC BY-SA 4.0.
Brown-Driver-Briggs Hebrew Lexicon
גָּבִישׁ n.m. crystal Jb 28:18 ref