Bible Dictionary
Crystal
Crystal in Scripture denotes a bright, transparent substance, probably rock crystal or crystallized quartz. It is used to describe dazzling heavenly appearances and the purity or brilliance of God’s glory.
Biblical Usage
Crystal describes dazzling heavenly appearances in Ezekiel and Revelation. It is associated with brightness and purity in descriptions of the heavenly throne, the glory of the holy city, and the river of the water of life.
Scripture References