Since it's born out of molten rock, obsidian is only found in volcanic regions of the world, including in parts of the United States, such as the Mountain West, Southwest, California, Oregon, and ...

Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast ...

Obsidian Sync has been rock-solid and, more importantly, blazing fast. Plain text files have the benefit of being extremely lightweight, so the combination of speedy sync and being able to view a raw ...