#OB-82 Obsidian "UFOs", a very unusual Obsidian formation from Mali in Africa. These come from deep in the ground 30 meters down. This is the only location we know of that produces these.
Chemical Composition: an Igneous Silica (volcanic glass) Hardness: 6-7 Occurence: Obsidian occurs in volcanic lava flows, from silica-rich magma that has come to the surface.
Metaphysical Properties: Excellent for grounding and protection. Obsidian wards off negativity. Useful for introspection - helps one to see where changes need to be made within oneself. Corresponding Astrological Sign: Sagittarius Chakra: 1st - Root chakra
