Mahogany Obsidian stimulates the root and sacral chakras. Mahogany Obsidian helps release negative patterns and energies. It has a protective energy that helps with grounding. Mahogany Obsidian helps with willpower and letting go of dissatisfaction. Helps with circulation, pain relief, and liver functions. Metaphysical properties are provided for your information and are not meant to replace the advice of a qualified physician or medical practitioner. Due to the nature of this product, color, size, and shape will vary. Quarter is used for size reference.