A new analysis of hundreds of obsidian artifacts from the Aztec Empire has revealed the vast trade networks that supplied obsidian, sometimes even from rivals.

The Aztec Empire once hosted an expansive trade network that brought volcanic glass to its capital from right across Mesoamerica, from coast to coast. The largest compositional study of obsidian ...

Archaeologists found that while the Mexica primarily used green obsidian, obsidian also came from at least seven other ...

An analysis of the obsidian mirror, made from volcanic glass, and three other similar objects at the British Museum revealed their Mexican origins. The obsidian mirror with the Elizabeth I ...

This method revealed that all four of the obsidian artefacts studied were made from Mexican obsidian exploited by the Aztecs in an area near Pachuca. This obsidian source was heavily exploited by ...