Strong's #5194: hualos (pronounced hoo'-al-os)

perhaps from the same as 5205 (as being transparent like rain); glass:--glass.

Thayer's Greek Lexicon:

̔́

hualos

1) any stone transparent like glass

2) glass

Part of Speech: noun masculine

Relation: perhaps from the same as G5205 (as being transparent like rain)

Usage:

This word is used 2 times:

 

Revelation 21:18: "gold, like unto clear glass."
Revelation 21:21: "city was pure gold, as it were transparent glass."