Rev.4.6and before the throne there was as it were a sea of glass, crystal. And around the throne, on each side of the throne, are four living creatures, full of eyes in front and behind:
Rev.21.11having the glory of God, its radiance a most rare jewel, a jasper, clear as crystal.
Rev.22.1Then the angel showed me the river of the water of life, bright as crystal, flowing from the throne of God and of the Lamb