Bible Verses About Metals: Cast in mould

So he returned the silver to his mother, and she took two hundred shekels of silver and gave them to a silversmith, who made them into a graven image and a molten idol. And they were placed in the house of Micah.

The bellows blow fiercely, blasting away the lead with fire. The refining proceeds in vain, for the wicked are not purged.