Obsidian was central to Aztec life — not just for crafting sharp tools and sacred offerings, but as a reflection of political ...

Some of the obsidian artifacts, including arrowheads and spear tips, traveled nearly 750 miles from their source, according to Allan. An obsidian spear head from the Red Deer area. Photo by Todd ...

Although Mexicas favored green obsidian, tool variety shows that multiple obsidian sources supplied the capital via markets, ...