Ezekiel 22:19

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

Cross-reference

Ezekiel 24:3-6 expands the same pot/furnace imagery: Jerusalem is a boiling pot, its inhabitants the meat to be cooked in judgment.

Ezekiel 11:7 also uses a pot metaphor for Jerusalem as the place God gathers people for judgment, though meat rather than metal.

Ezekiel 24:9 continues the boiling pot prophecy — 'make the pile great' adds fuel to the same fiery judgment scene.

Jeremiah 6:30 calls Israel 'rejected silver' — the same dross/metal metaphor for worthlessness, reinforcing the judgment theme.