Crossword clues for the word: ZIRCON The word ZIRCON has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for ZIRCON Showing 1 to 10 of 10 results Clue(s) "Matura diamond, actually" According to this stone, Zion included a central circle Alphabetically last birthstone Common neosilicate December birthstone December stone December's stone Matura diamond Modern December birthstone One of December's birthstones