Mahogany Obsidian is also called Buffalo Obsidian. It is thought to provide strength and courage, in times of need. It is also used to accelerate growth in all areas and stimulate the spiritual centers of the subtle bodies, which will aid in this. It is commonly used to eliminate negativity and energy blocks. It has strong qualities of grounding and protection and is said to bring clarity of thought. It is associated with the Root Chakra.