Obsidian: Volcanic Glass for Tools & Decoration

Obsidian is a naturally occurring volcanic glass formed from rapidly cooling lava. It's usually black or dark brown in color and has a distinctive glassy texture. Obsidian is commonly used to make knives, arrowheads, and other cutting tools due to its sharp edges and durability. It's also used for decorative purposes such as in jewelry and ornamental objects. Obsidian is found in many parts of the world, including North America, South America, Europe, and Asia.