Isaiah 1:25
And I will turn my hand on you, and purely purge away your dross, and take away all your tin:
Nave's Topical Index—AKJV

Isaiah 48:10
Behold, I have refined you, but not with silver; I have chosen you in the furnace of affliction.
Nave's Topical Index—AKJV

Jeremiah 9:7
Therefore thus said the LORD of hosts, Behold, I will melt them, and try them; for how shall I do for the daughter of my people?
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Zechariah 13:9
And I will bring the third part through the fire, and will refine them as silver is refined, and will try them as gold is tried: they shall call on my name, and I will hear them: I will say, It is my people: and they shall say, The LORD is my God.
Nave's Topical Index—AKJV

Malachi 3:2,3
But who may abide the day of his coming? and who shall stand when he appears? for he is like a refiner's fire, and like fullers' soap:
Nave's Topical Index—AKJV