Dry volcanic rock used as an abrasive in cleaning and polishing

Let's find possible answers to "Dry volcanic rock used as an abrasive in cleaning and polishing" crossword clue. First of all, we will look for a few extra hints for this entry: Dry volcanic rock used as an abrasive in cleaning and polishing. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.