Related Clues:
- Mountain ash?
- It's expanding Hawaii
- Melted chocolate, in some recipes
- Pumice, once
- Rock in motion
- Chocolate __ cake
- ___ lamp (1960s 57-Across)
- Igneous rocks, once
- Trippy lamp
- Papa's partner embracing good, hot rock
- ___ flow
- Volcano's product
- It's ejected from a volcano
- It flows from a volcano
- It comes from a volcano