Bible Verses About Metals: Cast in mould

Yet he restored the money unto his mother; and his mother took two hundred shekels of silver, and gave them to the founder, who made thereof a graven image and a molten image: and they were in the house of Micah.

The bellows are burned, the lead is consumed of the fire; the founder melteth in vain: for the wicked are not plucked away.