Cross reference
Job 28:2
2 Iron is taken out of the earth, And copper is molten out of the stone.
Deuteronomy 8:9
9 a land wherein thou shalt eat bread without scarceness, thou shalt not lack anything in it; a land whose stones are iron, and out of whose hills thou mayest dig copper.
Genesis 4:22
22 And Zillah, she also bare Tubal-cain, the forger of every cutting instrument of brass and iron: and the sister of Tubal-cain was Naamah.
Numbers 31:22
22 howbeit the gold, and the silver, the brass, the iron, the tin, and the lead,
1 Chronicles 22:14
14 Now, behold, in my affliction I have prepared for the house of Jehovah a hundred thousand talents of gold, and a thousand thousand talents of silver, and of brass and iron without weight; for it is in abundance: timber also and stone have I prepared; and thou mayest add thereto.