Job 28:2

Iron shall be taken from the dust, and stone will pour out brass.

Deuteronomy 8:9

A land where thou shalt eat bread in it not with poverty; thou shalt not want any thing in it; a land whose stones, iron, and out of its mountains thou shalt hew out brass.

Genesis 4:22

And Zillah, she also will bear Tubal Cain, sharpening every cutting instrument of brass and iron: and Tubal Cain's sister was Naamah.

Numbers 31:22

Only the gold and the silver, the brass, the iron, the tin, and the lead,

1 Chronicles 22:14

And behold in my affliction I prepared for the house of Jehovah, gold, a hundred thousand talents, and silver, a thousand thousand talents; and for brass and for iron, no weight; for it was for abundance: and woods and stones I prepared, and upon them thou wilt add.

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
And Zillah, she also will bear Tubal Cain, sharpening every cutting instrument of brass and iron: and Tubal Cain's sister was Naamah.
Numbers 31:22
Only the gold and the silver, the brass, the iron, the tin, and the lead,
Deuteronomy 8:9
A land where thou shalt eat bread in it not with poverty; thou shalt not want any thing in it; a land whose stones, iron, and out of its mountains thou shalt hew out brass.
1 Chronicles 22:14
And behold in my affliction I prepared for the house of Jehovah, gold, a hundred thousand talents, and silver, a thousand thousand talents; and for brass and for iron, no weight; for it was for abundance: and woods and stones I prepared, and upon them thou wilt add.