Crystal Healing Ball.A good Collectibles.Used in dream work and dream recall.Eases emotional stresses,gives courage to speak out and have personal independence.Balances body energy. A stone of controlled passion and used to help control one's own passions.Color:BlackMaterial: Natural Crystal.Ball diameter: 50MMPackage Included:1PC Crystal SphereNote:1.Pure natural, Not exactly the same, Each ONE is unique.2.The photo does not show actual size, please refer to description for size details.