The Aztecs didn't discover obsidian. It was already the most common raw material in Mesoamerica when they arrived in the ...

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 ...

It was already the most common raw material in Mesoamerica when they ... that the Mexicas were partial to a particular green and golden obsidian to produce items for rituals.

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 ... t discover ...

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 ...