Bible Dictionaries
Crystal

Smith's Bible Dictionary

Crystal. The representative, in the Authorized Version, of two Hebrew words.

1. Zecucith occurs only in Job 28:17, where "glass" is probably intended.

Kerach occurs in numerous passages, in the Old Testament, to denote "ice," "frost," etc.; but once only, Ezekiel 1:22, as is generally understood, to signify "crystal". The ancients supposed rock-crystal to be merely ice congealed by intense cold. The similarity of appearance between ice and crystal caused no doubt the identity of the terms to express these substances. The Greek word krustallizo occurs in Revelation 4:6; Revelation 21:11. It may mean either "ice" or "crystal."

Bibliography Information
Smith, William, Dr. Entry for 'Crystal'. Smith's Bible Dictionary. https://www.studylight.org/​dictionaries/​eng/​sbd/​c/crystal.html. 1901.