Proverbs 25:4
Take away the dross from the silver, and there shall come forth a vessel for the refiner.
Proverbs 17:3
The refining pot is for silver, and the furnace for gold: but the LORD tries the hearts.
Isaiah 1:25-27
And I will turn my hand upon you, and thoroughly purge away your dross, and take away all your alloy:
2 Timothy 2:20-21
But in a great house there are not only vessels of gold and of silver, but also of wood and of earth; and some to honor, and some to dishonor.
Ezekiel 22:18
Son of man, the house of Israel has to me become dross: all they are bronze, and tin, and iron, and lead, in the midst of the furnace; they are even the dross of silver.
Malachi 3:2-3
But who may endure the day of his coming? and who shall stand when he appears? for he is like a refiner's fire, and like fullers' soap:
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 unto praise and honor and glory at the appearing of Jesus Christ: