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

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 ...

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 ...

You need to get Obsidian Rings in Genshin Impact to lower the barrier of each tribe's secret trove area. These secret areas are worth unlocking, as they contain useful rewards like 5-Star ...