Global Clue

Gem with a unique play-of-colour due to diffraction; a birthstone for October

Let's find possible answers to "Gem with a unique play-of-colour due to diffraction; a birthstone for October" crossword clue. First of all, we will look for a few extra hints for this entry: Gem with a unique play-of-colour due to diffraction; a birthstone for October. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.