Crushed Black Obsidian Chips, Pea-Sized Gravel 2mm-4mm, for Inlay and Resin Art
Obsidian is a volcanic rock that cools very rapidly from silica-rich lava to form volcanic glass. Volcanic glass can vary in color; however, it is commonly a solid black color. ▏ ABOUT ⧫ OBSIDIAN ▕.