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 from the Sierra de Pachuca source, they also acquired obsidian from at least seven other locations, including regions ...

Tulane University. "Vast Aztec trade networks behind ancient obsidian artifacts." ScienceDaily. ScienceDaily, 13 May 2025. <www.sciencedaily.com / releases / 2025 / 05 / 250512153346.htm>.