Dimensions: 5.5" , Weight 8.9 lbs. A cluster of this lovely blue stone in your room is excellent for your emotional state as it is calming and uplifting. It aids mental clarity as it clears and sharpens mental faculties. aids you to discover your spirit guide, contact your guardian angel, and helps with developing the gift of prophecy. Calming anger and creating patience and serenity. Clears negative energy. For more information please see Crystal Properties.