'Stones' in the Bible

He threw stones at David and at all the servants of King David; and all the people and all the mighty men were at his right hand and at his left.

So David and his men went on the way; and Shimei went along on the hillside parallel with him and as he went he cursed and cast stones and threw dust at him.

They took Absalom and cast him into a deep pit in the forest and erected over him a very great heap of stones. And all Israel fled, each to his tent.