A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. Petoskey Stone helps us recognize and acknowledge our emotions, a very important step in learning to love ourselves. It works on both the Third Eye and Crown Chakras. It helps us develop our intuitive abilities. This is a good stone to help anyone with their creative side to bring abundance to projects.