Like other igneous rocks, the glossy glass originates from molten rock that has been spewed out from the bowels of the Earth via volcanoes. Before we get into the snowflakes, obsidian is formed ...

The obsidian artifacts were traced back to four primary regions, including one in Idaho, one in Wyoming, and two in British Columbia, experts said. Photo by Todd Kristensen Volcanic glass has been ...

A decade earlier, Rademaker’s advisor, archaeologist Daniel Sandweiss, had made the unexpected discovery of flakes and tools made of obsidian, a volcanic rock, in excavations at one of the oldest ...

Gregory Creek, just east of Whitewater Ridge, Oregon. Both the Kingcome Inlet and Garibaldi obsidian are of only moderately good quality. This is because they have some larger crystals in the rock ...

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 ...