A beautiful, strikingly black obsidian sphere. This sphere is made from natural black obsidian, a black glass-like rock that forms a result of cooling volcanic lava. This natural black obsidian sphere was donated by Larry Bidwell and measures 2.75″ diameter.
100% of the proceeds from your purchase will be used to fund the Bidwell Gem & Mineral Museum. All shop items were donated by members of the Glendora Gems Lapidary Club.