2 Bible Verses about Sea Of Glass

And I saw as it were a glassy sea mingled with fire; and those who were victorious over the beast, and over his image, and over the number of his name, standing by the glassy sea, having harps of God.

and before the throne, as it were a glassy sea like crystal; and, in the midst of the throne, and around the throne, four living creatures full of eyes before and behind.