A small piece of the volcanic glassy rock Obsidian
Size: 4272px × 2848px
Photo credit: © Kevin Richardson / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: amorphus, crystallization, earth, gemstone, geologic, geological, geology, glassy, lapis, obsidian, obsidianus, rock, silica, silicon, stone, volcanic