2 Bible Verses about Sea Of Glass

And I saw the semblance of a glassy sea, mingled with fire; and standing by this glassy sea, with harps of God, were those who came off conquerors from the beast and from his image and from the cipher of his name.

And in front of the throne as it seemed, a glassy sea like crystal; and in the midst of the throne and encircling it are four Living Creatures, full of eyes before and behind.