2 Bible Verses about Sea Of Glass

And I saw, as it were, a sea of glass mingled with fire and those that had gotten the victory over the beast and over its image and over its mark and over the number of its name stand on the sea of glass, having the harps of God.

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 animals full of eyes in front and behind.