Job 28:2
Iron is taken out of the earth, and stone is changed into brass by the fire.
Deuteronomy 8:9
Where there will be bread for you in full measure and you will be in need of nothing; a land where the very stones are iron and from whose hills you may get copper.
Genesis 4:22
And Zillah gave birth to Tubal-cain, who is the father of every maker of cutting instruments of brass and iron: and the sister of Tubal-cain was Naamah.
Numbers 31:22
But gold and silver and brass and iron and tin and lead,
1 Chronicles 22:14
Now see, poor though I am, I have got ready for the house of the Lord a hundred thousand talents of gold and a million talents of silver; and a weight of brass and iron greater than may be measured; and wood and stone have I made ready, and you may put more to it.