HARD GREY-BLACK MINERAL USE FOR POLISHING Crossword Clue

We know 1 solutions for: HARD GREY-BLACK MINERAL USE FOR POLISHING
Crossword Puzzle Infos
The crossword solution for the term 'hard grey-black mineral used for polishing' is EMERY. EMERY is a naturally occurring mineral composed of corundum, magnetite, and other minerals. It is a hard, granular material that is used as an abrasive in polishing and sanding. EMERY is also used to make grinding wheels, honing stones, and other abrasive products.
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