Welcome to Keycap Quarry’s ultimate selection of Obsidian products. We stock it all! Obsidian is a natural volcanic glass that forms when molten lava cools rapidly, leaving behind a dark, glossy, and incredibly sharp material. It has a rich history spanning cultures and civilizations, serving both practical and spiritual purposes. Its unique origins and striking appearance have earned it a place of intrigue in the world of minerals and gemstones.