Related Clues:
- Melted chocolate, in cake names
- Flow rich in silica
- Mount Nyiragongo's hot stuff
- It may cool into obsidian
- Flow that may be 2,000 degrees Fahrenheit
- Stream from a volcano
- What spews from a volcano
- Output of Fagradalsfjall
- Magma, after it erupts
- Pumice soap brand
- Flow from Mount Nyiragongo
- Hot stuff in a crater
- Flower from grandparent upon retirement
- What flows from Mount Etna
- The Floor Is ___ (children's game)