Deuteronomy 27:5

And you shall build an altar there to Jehovah your God, an altar of stones. You shall not lift up any iron tool on them.

Exodus 20:25

And if you will make Me an altar of stone, you shall not build it of cut stone. For if you lift up your tool upon it, you have defiled it.

Exodus 24:4

And Moses wrote all the Words of Jehovah, and rose up early in the morning, and built an altar below the mountain and twelve pillars according to the twelve tribes of Israel.

Joshua 8:30-31

Then Joshua built an altar to Jehovah, the God of Israel in Mount Ebal,

1 Kings 18:31-32

And Elijah took twelve stones, according to the number of the tribes of the sons of Jacob, to whom the Word of Jehovah came, saying, Israel shall be your name.

Treasury of Scripture Knowledge

Summary

And there shalt thou build an altar unto the LORD thy God, an altar of stones: thou shalt not lift up any iron tool upon them.

Thou shalt not

Bible References

And there

Exodus 24:4
And Moses wrote all the Words of Jehovah, and rose up early in the morning, and built an altar below the mountain and twelve pillars according to the twelve tribes of Israel.
Joshua 8:30
Then Joshua built an altar to Jehovah, the God of Israel in Mount Ebal,
1 Kings 18:31
And Elijah took twelve stones, according to the number of the tribes of the sons of Jacob, to whom the Word of Jehovah came, saying, Israel shall be your name.

Thou shalt not

Exodus 20:25
And if you will make Me an altar of stone, you shall not build it of cut stone. For if you lift up your tool upon it, you have defiled it.