Obsidian, a gemstone also known as volcanic glass, is widely distributed in the Southwest. It is an extrusive igneous rock comprised of feldspar and quartz, endemic to volcanic regions.

A poorly made stone tool, tossed aside in a garden, becomes a powerful reminder that we are only the latest chapter in this ...

Located in the stunning Deschutes National Forest, the Newberry National Volcanic Monument has everything you need for an ...

The oldest Preclassic mirrors (2000 BCE to 250 CE) were fashioned from polished iron ores, but later Postclassic period mirrors (900 CE to 1450 CE) were made from obsidian, a typically black ...

The collections at the Smithsonian’s National Museum of the American Indian contain six large, rectangular obsidian mirrors, purchased in the 19th and early 20th centuries.

The Jerusalem Glassblowing Studio is where glass takes shape – and meaning is made. It’s a sanctuary for creativity, reflection, and human connection.

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 ...

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 ...

Obsidian is volcanic glass and the sharpest material on earth. And while it's still in abundance today, it isn't the tool of tomorrow.

Archaeologists from Tulane University analyzed a total of 788 obsidian objects from the Templo Mayor of Tenochtitlan using portable X-ray fluorescence (pXRF). This technique enabled the team to ...

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 ...

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 ...