A semi-precious mineral found in caverns in Derbyshire

Let's find possible answers to "A semi-precious mineral found in caverns in Derbyshire" crossword clue. First of all, we will look for a few extra hints for this entry: A semi-precious mineral found in caverns in Derbyshire. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.