Photos are taken with the stones wet. This helps you see their potential once polished. These are raw stones, the majority are uncut and unpolished. Obsidian is a form of natural volcanic glass, created by rich felsic magma flows high in silicon and lighter elements. All Lapidary Central Obsidian is 100% guaranteed to be natural! Wholesale Old Stock Black Obsidian, mainly from Glass Butte Oregon and Davis Creek Washington. Obsidian from other places such as Utah, Mexico, and Armenia are possible. This black obsidian is showing a very high purity level, with some magnetite being present. The majority will be black obsidian, but some lite amounts of Midnight Lace Obsidian, Mahogany Obsidian, Gold Sheen Obsidian, Tri-Flow Obsidian, Silver Sheen Obsidian, Gold Sheen Obsidian, Rainbow Obsidian, and Snowflake Obsidian may be present on parts of the stones.