Mahagony Obsidian Obelisk, Small 0926 (Approx. 1 3/8” - 1 5/8") Mahogany-Obsidian will also make you focus on the abundance in your life and help you let go of feelings of lack or dissatisfaction. Mahogany-Obsidian is also known as the stone of strength. This stone will build your strength in times of need. It will give you the personal willpower to conquer your fears and overcome your challenges. See more at stonepathtrading.com