Job 28:2

“Iron is taken from the dust,
And copper is smelted from rock.

Deuteronomy 8:9

a land where you will eat food without scarcity, in which you will not lack anything; a land whose stones are iron, and out of whose hills you can dig copper.

Genesis 4:22

As for Zillah, she also gave birth to Tubal-cain, the forger of all implements of bronze and iron; and the sister of Tubal-cain was Naamah.

Numbers 31:22

only the gold and the silver, the bronze, the iron, the tin and the lead,

1 Chronicles 22:14

Now behold, with great pains I have prepared for the house of the Lord 100,000 talents of gold and 1,000,000 talents of silver, and bronze and iron beyond weight, for they are in great quantity; also timber and stone I have prepared, and you may add to them.

Treasury of Scripture Knowledge

Summary

Iron is taken out of the earth, and brass is molten out of the stone.

Bible References

Iron

Genesis 4:22
As for Zillah, she also gave birth to Tubal-cain, the forger of all implements of bronze and iron; and the sister of Tubal-cain was Naamah.
Numbers 31:22
only the gold and the silver, the bronze, the iron, the tin and the lead,
Deuteronomy 8:9
a land where you will eat food without scarcity, in which you will not lack anything; a land whose stones are iron, and out of whose hills you can dig copper.
1 Chronicles 22:14
Now behold, with great pains I have prepared for the house of the Lord 100,000 talents of gold and 1,000,000 talents of silver, and bronze and iron beyond weight, for they are in great quantity; also timber and stone I have prepared, and you may add to them.