Dry stones
Hail stones. Gall stones. The Rolling Stones. Tombstones. Kidney stones.
Hail stones. Gall stones. The Rolling Stones. Tombstones. Kidney stones.
Hail stones. Gall stones. The Rolling Stones. Tombstones. Kidney stones.
Blarney Stone
Any rock can be found in the ocean because of erosion (except dry ones).
Salt water
a crystal
There are many different types of stones used for knife sharpening. Japanese water stones, whetstones, and oil stones are also very commonly found today.
a organ of a blue whale, all kind of plastic and dead animals
The only answer I can think of is Starfish.
oceanic crust