'Dross' in the Bible
You remove all the wicked of the earth like dross; therefore I love your decrees.
Purge the dross from the silver, and material for a vessel comes forth for the silversmith.
Your silver has become dross, your best wine is diluted with water.
When I turn my attention to you, I'll refine your dross as in a furnace. I'll remove all your alloy.
"Son of Man, Israel has become like dross to me. All of them are like remnants of bronze, tin, iron, and lead in a furnace the dross left over from smelting silver.
Therefore this is what the Lord GOD says, "Because all of you have become dross, watch out! I'm going to gather all of you at the center of Jerusalem,
Make the pot stand empty on the coals until its bronze glows red, its rust can be scoured off, and its dross completely removed.