Buzzell is a cold planet, covered mostly by ocean with "hardscrabble islands, none bigger than a large no-ship", Buzzell is known for its soostones, valuable iridescent gems produced by the abraded carapaces of monoped sea creatures called Cholisters, much in the manner of pearls. Used as a "punishment planet" by the Bene Gesserit. Buzzell is eventually the home of the new breed of aquatic sandworms.
Read more about this topic: List Of Dune Planets