2 Iron is taken out of the earth, and copper is smelted out of the ore.
Job 28:2 Cross References - NHEB
Genesis 4:22
22 Zillah also gave birth to Tubal Cain, who heated metal and shaped instruments of bronze and iron. Tubal Cain's sister was Naamah.
Numbers 31:22
22 however the gold, and the silver, the bronze, the iron, the tin, and the lead,
Deuteronomy 8:9
9 a land in which you shall eat bread without scarcity, and in which you will lack nothing; a land whose stones are iron, and out of whose hills you may dig copper.
1 Chronicles 22:14
14 Now, look, in my affliction I have prepared for the house of the LORD one hundred thousand talents of gold, one million talents of silver, and bronze and iron without weight; for it is in abundance. I have also prepared timber and stone; and you may add to them.