'Dross' in the Bible

Dross! Thou hast caused to cease All the wicked of the earth; Therefore I have loved Thy testimonies.

Take away dross from silver, And a vessel for the refiner goeth forth,

Silver of dross spread over potsherd, Are burning lips and an evil heart.

Thy silver hath become dross, Thy drink polluted with water.

And I turn back My hand upon thee, And I refine as purity thy dross, And I turn aside all thy tin,

The house of Israel hath been to Me for dross, All of them are brass, and tin, and iron, and lead, In the midst of a furnace -- dross hath silver been,

Therefore, thus said the Lord Jehovah: Because of your all becoming dross, Therefore, lo, I am gathering you unto the midst of Jerusalem,