Crossword clues for the word: IRONSTONE The word IRONSTONE has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for IRONSTONE Showing 1 to 9 of 9 results Clue(s) "Heavy, durable china" Durable pottery Hard porcelain Hard sedimentary rock Hard white china Hard white pottery Heavy china material Table china Type of china