Job 28:2
Iron is taken from the ground, and rocks are melted for their copper.
Deuteronomy 8:9
The land will have enough food for you, and you will have everything you need. The land has rocks with iron ore. You will be able to mine copper ore in the mountains.
Genesis 4:22
Zillah also had a son, Tubal-Cain, who forged all kinds of tools out of copper and iron. Tubal-Cain's sister was Naamah.
Numbers 31:22
Only the gold and the silver, the copper, the iron, the tin and the lead,
1 Chronicles 22:14
I have taken great pains to provide for the temple of Jehovah three thousand seven hundred and fifty tons of gold, about thirty-seven thousand five hundred tons of silver, quantities of copper and iron too great to be weighed, and wood and stone. And you may add to them.