Beach grains (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">beach grains</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for sand that I've seen before include "Result of rock erosion" , "Beach constituent" , "Yellow-brown colour" , "Granulated quartz" , "Hourglass contents" .)
(Other definitions for sands that I've seen before include "Rubs smooth" , "The Riddle of the . . . . . (novel by Erskine Childers)" , "Polishes (eg, wood)" , "They run out (of time)" , "You may see them by sea" .)