Crossword clues for the word: SANDSTONES The word SANDSTONES has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for SANDSTONES Showing 1 to 5 of 5 results Clue(s) Grainy rocks Quartzite and such Sedimentary materials Some countertop materials Sylvester's least favorite quartz-based rocks?