'Rock' in the Bible

So Jesus, deeply troubled in heart, came to the place of the dead. It was a hole in the rock, and a stone was over the opening.

They went running together, and the other disciple got in front of Peter and came first to the hole in the rock;

Then Simon Peter came after him and went into the hole in the rock; and he saw the linen bands on the earth,

But Mary was still there outside the hole in the rock, weeping; and while she was weeping and looking into the hole,