Global Clue

Hard iridescent substance, mostly calcium carbonate, of which pearl is composed

Let's find possible answers to "Hard iridescent substance, mostly calcium carbonate, of which pearl is composed" crossword clue. First of all, we will look for a few extra hints for this entry: Hard iridescent substance, mostly calcium carbonate, of which pearl is composed. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.