Glass block that separates light into the colours of the spectrum

Let's find possible answers to "Glass block that separates light into the colours of the spectrum" crossword clue. First of all, we will look for a few extra hints for this entry: Glass block that separates light into the colours of the spectrum. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.