Long Obsidian Smoking Pipe Obsidian Pipe, Obsidian, Glass Pipe Black Obsidian Tumble, Natural Crystal Tumble, Black Obsidian Crystal Black Obsidian Natural Crystal & Gemstone Healing Jewelry Products 1.88 Lb Large Black Obsidian Crystal. Natural Raw Obsidian. Lava Glass 4.2" Black Obsidian Carved Crystal Skull Smoking Pipe Sculpture. About: Our Black Obsidian Crystal Pipe is one of a kind and unique. Crafted from the highest quality natural crystals and minerals and filled with love and positive energy. Every pipe includes a high quality stainless steel screen that fits snugly in the pipe. Cleaning The stainless steel screen is removable to easily clean. Each of our crystal pipes can be cleaned just like a glass pipe. alcohol and salt works best. Specs: Measures Approx: 4"