Of rock, formed by the cooling and solidification of lava or magma

Let's find possible answers to "Of rock, formed by the cooling and solidification of lava or magma" crossword clue. First of all, we will look for a few extra hints for this entry: Of rock, formed by the cooling and solidification of lava or magma. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.