Below you can find the This molten volcanic rock was given its name by those who lived around mount vesuvius Jeopardy Words Answer. The answer to This molten volcanic rock was given its name by those who lived around mount vesuvius has 4 letters. This clue belongs to the Geology category and is part of Jeopardy Word Level 556. If you scroll near the bottom you will find other clues and answers part of level 556