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

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

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 ...

Werra added that few obsidian processing sites have been found in Poland, but there is some evidence that raw obsidian may have been imported during the Neolithic period and fashioned into tools ...

Using portable X-ray fluorescence, a nondestructive way to identify geochemical fingerprints, the researchers confirmed that the Mexicas were partial to a particular green and golden obsidian to ...