Hand-carved arrowheads and jagged spears made of obsidian, a sharp rock formed by volcanic magma, are remnants of vast ...

Investigators making the shocking find saw that the remains had dark substances inside the cavity that resembled obsidian.

Volcanic glass has been discovered at more than 500 archaeological sites in western Canada. Geologically-speaking, it shouldn ...

Snowflake obsidian is a form of volcanic glass that features white or grayish ... the inner workings of human life or the emotions of people. While it may not possess otherworldly powers ...