Black Obsidian Quartz rough stone is unique and 100% natural. 1 pound rough Black Obsidian Quartz which in most cases is around 10-20 pieces but the exact quantity depends on the size and weight of each stone. Perfect for Tumbling, jewelry making, Cabbing, Fountain Rocks, Decoration,Polishing, Wire Wrapping, Wicca & Reiki Crystal Healing and others by your imagination. As it’s rough natural raw stones which cut from large stones and maybe cover with a thin layer of dust on surface and we recommend rinsing off the stones once you received. Stones in our images were taken with the stones being wet which helps to show the materials true colors, potential and clarity.