Hypersthene is good for all chakras, however, resonates most with the the solar plexus chakra. Hypersthene is a protective stone. It helps quiet the mind, making it a good stone to use during meditation. 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.