'Glow' in the Bible

As I looked, I saw a stormy wind coming out of the north, a great cloud with fire flashing continually from it; and a brightness was around it, and in its core [there was] something like glowing [amber-colored] metal in the midst of the fire.

“Then set the empty pot (Jerusalem) back on the coalsSo that it may be hotAnd its bronze may glowAnd its filthiness may be meltedAnd its rust (scum) may be consumed.

“And to the angel (divine messenger) of the church in Thyatira write:“These are the words of the Son of God, who has eyes [that flash] like a flame of fire [in righteous judgment], and whose feet are like burnished [white-hot] bronze: