General scriptures concerning
The gold and the crystal cannot equal it: and the exchange of it shall not be for jewels of fine gold. (Job 28:17)
Symbolical
And the building of the wall of it was of jasper: and the city was pure gold, like unto clear glass. (Revelation 21:18)
And the twelve gates were twelve pearls; every several gate was of one pearl: and the street of the city was pure gold, as it were transparent glass. (Revelation 21:21)
Sea of
And I saw as it were a sea of glass mingled with fire: and them that had gotten the victory over the beast, and over his image, and over his mark, and over the number of his name, stand on the sea of glass, having the harps of God. (Revelation 15:2)
See MIRROR