'Dross' in the Bible

Thou puttest away all the wicked of the earth like dross: therefore I love thy testimonies.

Take away the dross from the silver, and there shall come forth a vessel for the finer.

Burning lips and a wicked heart are like a potsherd covered with silver dross.

Thy silver is become dross, thy wine mixed with water:

And I will turn my hand upon thee, and purely purge away thy dross, and take away all thy tin:

The fiery bellows of judgment burn fiercely. But there is too much dross to be removed. The process of refining them has proved useless. The wicked have not been purged.

They call them rejected silver [only dross, without value],Because the Lord has rejected them.

Therefore thus says the Lord of hosts,“Behold, I will refine them [through suffering] and test them;For how else should I deal with the daughter of My people?

My message is like a fire that purges dross! It is like a hammer that breaks a rock in pieces! I, the Lord, so affirm it!

Son of man, the house of Israel is to me become dross: all they are brass, and tin, and iron, and lead, in the midst of the furnace; they are even the dross of silver.

Therefore thus saith the Lord GOD; Because ye are all become dross, behold, therefore I will gather you into the midst 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.