'Rocks' in the Bible

Suddenly, the curtain of the sanctuary was split in two from top to bottom; the earth quaked and the rocks were split.

Again the Jews picked up rocks to stone Him.

Then the kings of the earth, the nobles, the military commanders, the rich, the powerful, and every slave and free person hid in the caves and among the rocks of the mountains.

And they said to the mountains and to the rocks, “Fall on us and hide us from the face of the One seated on the throne and from the wrath of the Lamb,