1 Kings 18:32

18:32 With the stones he constructed an altar for the Lord. Around the altar he made a trench large enough to contain two seahs of seed.

1 Kings 18:38

18:38 Then fire from the Lord fell from the sky. It consumed the offering, the wood, the stones, and the dirt, and licked up the water in the trench.

1 Kings 8:9

8:9 There was nothing in the ark except the two stone tablets Moses had placed there in Horeb. It was there that the Lord made an agreement with the Israelites after he brought them out of the land of Egypt.