Revelation 4:6
And before the throne was a sea of glass like crystal: and in the midst of the throne, and within the circle of the throne, were four living beings full of eyes before and behind.
Revelation 4:3
And he that sat was in appearance like a stone of jasper and sardine: and a rainbow encircled the throne, like in hue to an emerald.
Revelation 21:11
having the glory of God: and her brilliance was like the most precious gem, as a jasper stone, transparent as crystal;
Treasury of Scripture Knowledge
Summary
And the likeness of the firmament upon the heads of the living creature was as the colour of the terrible crystal, stretched forth over their heads above.
The likeness
Bible References
The likeness
Revelation 4:3
And he that sat was in appearance like a stone of jasper and sardine: and a rainbow encircled the throne, like in hue to an emerald.
Revelation 21:11
having the glory of God: and her brilliance was like the most precious gem, as a jasper stone, transparent as crystal;