6 And before the throne was a sea of glass resembling crystal: and in the midst of the throne, and round about it, and in front of the throne, were four beasts, full of eyes before and behind.
Bible verses about "crystals" | Lamsa
Revelation 4:6
Revelation 22:1
1 AND he shewed me a pure river of water of life, clear as crystal, gushing out of the throne of God and of the Lamb.
Revelation 21:11
11 Having the glory of God, radiant as a brilliant light, resembling a very precious gem; like a jasper stone, clear as crystal: