| Answer | Crossword Clue |
|---|---|
| LAVA | Relative of pumice. |
| LAVA | Source of pumice. |
| LAVAS | Sources of pumice. |
| LAVA | Source of pumice |
| TRASS | Rock composed of pumice. |
| pumiceous | of or pertaining to pumice |
| LAVA | Brand of soap that contains pumice |
| ignimbrite | A volcanic rock consisting essentially of pumice fragments, formed by the consolidation of material deposited by pyroclastic flows |
