Black Obsidian Tumble

Obsidian is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal growth, it is an igneous rock. Don't you love nature,
Black Obsidian is a powerful cleanser of psychic smog created within your aura, and is a strong psychic protection stone. It is known to have powerful metaphysical properties that will help shield you against negativity. 
Black Obsidian brings clarity to the mind and clears confusion.