The likeness of the expanse above the heads of the living creatures was like the color of an awesome crystal, stretched out above over their heads.

Before the throne there was a glassy sea, like crystal. And in the midst of the throne, and around the throne, were four living creatures full of eyes in front and in back.

having the glory of God. Her light was like a most precious stone, like a jasper stone, clear as crystal.

And he showed me a pure river of Water of Life, clear as crystal, going forth out of the throne of God and of the Lamb.