Related Clues:
- Volcanic flowing substance
- Obsidian rock producer
- Rock on the move
- Volcano's discharge
- Dangerous outpouring
- Expander of Hawaii
- Molten flows
- Novice with Victor in motoring organisation gets hot stuff from Etna
- Vulcanologist's material
- Soap brand that contains pumice
- 1960s lamp type
- Soap containing ground pumice
- Eruption output, perhaps
- Volcano's outpouring
- Dangerous streamers