Molten rock that may harden into obsidian

While searching our database we found 1 possible solution for the:   Molten rock that may harden into obsidian crossword clue. This clue was last seen on November 14 2019 in the popular Crosswords With Friends puzzle. The solution we have for Molten rock that may harden into obsidian has a total of 4 letters.

Answer

1L
2A
3V
4A


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