POWDERED ROCK USED AS AN ABRASIVE Crossword Clue

Hints for "POWDERED ROCK USED AS AN ABRASIVE"

Keep the challenge. Reveal only as much as you need.

1. 1

   Hint 1Meaning

   Reveal

   11 letters
   Here's a definition of the word you're looking for: [Answer] is a soft, siliceous sedimentary rock that is typically used in powdered form as a polishing agent.

2. 2

   Hint 2Another clue

   Reveal

   Try approaching the answer from a different angle. This clue leads to the same answer: "CLEANING stone for polishing metals". Look for a word that fits both clues.

3. 3

   Hint 3One more clue

   Reveal

   Here's one more clue for the same answer: "friable, decomposed, siliceous limestone used for polishing". Think of possible answers, then check them against the original clue "POWDERED ROCK USED AS AN ABRASIVE" and any letters you already know.

0 of 3 hints revealed