'Flint' in the Bible

Then Zipporah took a flint and cut off her son’s foreskin and threw it at Moses’ feet, and she said, “You are indeed a bridegroom of blood to me.”

He led you through the great and terrible wilderness, with its fiery serpents and scorpions and thirsty ground where there was no water; He brought water for you out of the rock of flint.

At that time the Lord said to Joshua, “Make for yourself flint knives and circumcise again the sons of Israel the second time.”

So Joshua made himself flint knives and circumcised the sons of Israel at Gibeath-haaraloth.

“He puts his hand on the flint;He overturns the mountains at the base.

Who turned the rock into a pool of water,The flint into a fountain of water. Cross references: Psalm 114:1 : Ex 12:51; 13:3 Psalm 114:1 : Ps 81:5 Psalm 114:2 : Ex 15:17; 29:45, 46; Ps 78:68, 69 Psalm 114:2 : Ex 19:6 Psalm 114:3 : Ex 14:21; Ps 77:16 Psalm 114:3 : Josh 3:13, 16 Psalm 114:4 : Ex 19:18; Judg 5:5; Ps 18:7; 29:6; Hab 3:6 Psalm 114:5 : Hab 3:8 Psalm 114:7 : Ps 96:9 Psalm 114:8 : Ex 17:6; Num 20:11; Ps 78:15; 105:41 Psalm 114:8 : Ps 107:35 Psalm 114:8 : Deut 8:15 end of crossrefs

Its arrows are sharp and all its bows are bent;The hoofs of its horses seem like flint and its chariot wheels like a whirlwind.

For the Lord God helps Me,Therefore, I am not disgraced;Therefore, I have set My face like flint,And I know that I will not be ashamed.

Like emery harder than flint I have made your forehead. Do not be afraid of them or be dismayed before them, though they are a rebellious house.”

They made their hearts like flint so that they could not hear the law and the words which the Lord of hosts had sent by His Spirit through the former prophets; therefore great wrath came from the Lord of hosts.