'Rocks' in the Bible

Immediately the curtain of the Sanctuary was torn in two from top to bottom: the earth quaked; the rocks split;

Then for fear of possibly running on rocks, they threw out four anchors from the stern and waited impatiently for daylight.

These men--sunken rocks! --are those who share the pleasure of your love-feasts, unrestrained by fear while caring only for themselves; clouds without water, driven away by the winds; trees that cast their fruit, barren, doubly dead, uprooted;

The kings of the earth and the great men, the military chiefs, the wealthy and the powerful--all, whether slaves or free men--hid themselves in the caves and in the rocks of the mountains,

while they called to the mountains and the rocks, saying, "Fall on us and hide us from the presence of Him who sits on the throne and from the anger of the Lamb;