Obsidian  
Chakra: Base
Brings wisdom and offers protection. Good for learning. Good for the colon. Helps gastroenteritis, IBS, and nausea. Grounding. Helps self-defeating patterns and subconscious blockages. Acts as a mirror of the soul.
 
Natural Stones
Please note that these are natural stones and may vary in color, shape, and be +/- a little in size.