The Aztec Empire is known to have used obsidian ubiquitously. This volcanic glass is harder than ordinary steel, fractures smoothly into an edge sharper than a razor blade, has a mirror-like ...

"Obsidian is a naturally occurring volcanic glass that forms when lava cools rapidly with minimal crystal growth and was a treasured commodity in the Mexica Empire," reported HeritageDaily. It can ...

Hundreds of obsidian artifacts have revealed where the Aztecs acquired the volcanic glass they used for tools, ornamental pieces or religious objects centuries ago — and their vast trade ...

New archaeological research by Tulane University and the Proyecto Templo Mayor in Mexico reveals how obsidian—a volcanic glass used for tools and ceremonial objects and one of the most important ...

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

Hundreds of obsidian artifacts have revealed where the Aztecs acquired the volcanic glass they used for tools, ornamental pieces or religious objects centuries ago — and their vast trade networks ...