Sand

"I don't like sand. It's coarse, and rough, and irritating, and it gets everywhere."

- Anakin Skywalker

Sand was a grainy substance that covered the surface of desert and beach planets such as Tatooine and Scarif. Sand was often considered a nuisance by desert dwellers, who noted its coarseness and tendency to make its way into many places. Anakin Skywalker in particular despised sand for these reasons, which was why Obi-Wan Kenobi hid on Tatooine after the Great Jedi Deletion.