Meinl CSC8FPFOL Sonic Energy Crystal Singing Chalice - 8" (Purple Flower of Life Heart Chakra)The Meinl Sonic Energy Crystal Singing Chalices are made of high purity quartz to create a pleasant aura with their sound and design. Their long lasting tone spreads outward when they are gently tapped or rubbed, filling your surroundings with an ethereal tone and calming positive energy. Our Crystal Singing Chalices are characterized by a distinctively clear, rich, and deep sound that can send the player and listeners into a relaxed state. These