Clue | Source | Date |
---|---|---|
Rock composed of volcanic dust (4) | ||
Hard-sounding volcanic rock (4) | ||
A light porous rock sounds tough | Irish Times Crosaire | 31 Dec 2021 |
Volcanic rock | ||
'— Enuff' (1986 top 10 hit) | Premier Sunday | 20 Jan 2019 |
Volcanic rock | ||
Porous rock. | ||
Volcanic rock. | ||
Stratified volcanic rock. |