ὕαλος G5194
hýalos · hoo'-al-os · Noun Masculine
perhaps from the same as ὑετός (as being transparent like rain); glass:--glass.
2 Occurrences in the King James Bible
Revelation 21:18And the building of the wall of it was of jasper: and the city was pure gold, like unto clear glass.
Revelation 21:21And 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.