Strong's #1378: gabiysh (pronounced gaw-beesh')
from an unused root (probably meaning to freeze); crystal (from its resemblance to ice):--pearl.
Brown-Driver-Briggs Hebrew Lexicon:
ּׁ
gâbı̂ysh
1) crystal
Part of Speech: noun masculine
Relation: from an unused root
Usage:
This word is used 1 times:
Job 28:18: "No mention shall be made of coral, or of pearls: for the price of wisdom is above rubies."