While searching our database we found 1 possible solution for the: Volcanic rock crossword clue. This crossword clue was last seen on April 18 2026 Wall Street Journal Crossword puzzle. The solution we have for Volcanic rock has a total of 6 letters.
Verified Answer
| • | A very light porous volcanic scoria, usually of a gray color, the pores of which are capillary and parallel, giving it a fibrous structure. It is supposed to be produced by the disengagement of watery vapor without liquid or plastic lava. It is much used, esp. in the form of powder, for smoothing and polishing. Called also pumice stone. |
Check the table below for more likely or similar clues and answers related to Volcanic rock crossword clue.
| Rank | Answer | Clue | Publisher |
|---|---|---|---|
| 99% | PUMICE | Volcanic rock | Wall Street Journal |
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