Numbers 31:23
Every thing that may abide the fire, you shall make it go through the fire, and it shall be clean: nevertheless it shall be purified with the water of separation: and all that stays not the fire you shall make go through the water.
Torrey's Topical Textbook—AKJV

1 Peter 1:7
That the trial of your faith, being much more precious than of gold that perishes, though it be tried with fire, might be found to praise and honor and glory at the appearing of Jesus Christ:
Torrey's Topical Textbook—AKJV

Revelation 3:18
I counsel you to buy of me gold tried in the fire, that you may be rich; and white raiment, that you may be clothed, and that the shame of your nakedness do not appear; and anoint your eyes with eye salve, that you may see.
Torrey's Topical Textbook—AKJV