6 And before the throne there was a sea of glass like unto crystal: and in the midst of the throne, and round about the throne, were four beasts full of eyes before and behind.
Bible verses about "crystals" | KJC
Revelation 4:6
Revelation 22:1
1 And he showed me a pure river of water of life, clear as crystal, proceeding out of the throne of God and of the Lamb.
Revelation 21:11
11 Having the glory of God: and her light was like unto a stone most precious, even like a jasper stone, clear as crystal;