Deuteronomy 27:5

And there shalt thou build an altar unto Jehovah thy God, an altar of stones: thou shalt lift up no iron tool upon them.

Exodus 20:25

And if thou make me an altar of stone, thou shalt not build it of hewn stones; for if thou lift up thy tool upon it, thou hast polluted it.

Exodus 24:4

And Moses wrote all the words of Jehovah, and rose up early in the morning, and builded an altar under the mount, and twelve pillars, according to the twelve tribes of Israel.

Joshua 8:30-31

Then Joshua built an altar unto 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, unto whom the word of Jehovah came, saying, Israel shall be thy 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 builded an altar under the mount, and twelve pillars, according to the twelve tribes of Israel.
Joshua 8:30
Then Joshua built an altar unto 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, unto whom the word of Jehovah came, saying, Israel shall be thy name.

Thou shalt not

Exodus 20:25
And if thou make me an altar of stone, thou shalt not build it of hewn stones; for if thou lift up thy tool upon it, thou hast polluted it.

American Standard Version Public Domain