Beach particles (4)
(Other definitions for sand that I've seen before include "Fine stone particles" , "Grains by the sea" , "George -, French author" , "George -, Fr. author" , "Parts of beach" .)
(Other definitions for sands that I've seen before include "Polishes (eg, wood)" , "Rubs smooth" , "Beaches" , "You may see them by sea" , "The Riddle of the . . . . . (novel by Erskine Childers)" .)