Black Obsidian Crystal Gemstone 5" Round Tree of Life on Ring. Black colored stone. Main characteristics: self-reflection, protection, growth. Black stones aid in cleansing negative energy and helps not be overcome by your shadow side. *Sold as is. For changes in base or wire color please contact me to create a custom order. Thank You!! *Sold as curio and entertainment only. Reflections with Kate cannot be held responsible for anything that happens or doesn�t happen as a result of this working. The FDA has not evaluated these products. It is not intended to prescribe in any way. It is not intended to diagnose or treat any disease. My services should never substitute medical, legal or psychological advice. Moreover, my services should not interfere with your medical providers.