Obsidian is a volcanic glass that forms from viscous lava. This well known crystals is brittle with conchoidal fracture, meaning it breaks/chips irregularly along curved surfaces, making it an ideal material to form sharp tools. Obsidian is commonly opaque black but can have various patterns and colors.
This listing is for one obsidian cube in the approximate size .75″ X .75″ to 1″ X 1″ irregular shape obsidian (we choose at Random). You will receive item similar to what is pictured. Every piece is unique and all pieces received will not be the exact same size, shape, colors, or look identical as seen in our images.