GLASS-LIKE VOLCANIC ROCK Crossword Clue
GLASS-LIKE VOLCANIC ROCK Crossword Clue
We know 1 solutions for: GLASS-LIKE VOLCANIC ROCK
Crossword Puzzle Infos
Obsidian is a glass-like volcanic rock that is formed when molten lava cools quickly. It is composed of silicon dioxide and has a smooth, glossy texture. It is usually black or dark gray in color, but can also be found in shades of green, blue, and brown. Obsidian is often used for jewelry and other decorative items due to its unique appearance.