This is a powerful harmonizer is created from Sodalite and Black Tourmaline. Tourmaline offers a grounding energy with a protective energy and Sodalite helps with high blood pressure, diabetes, insomnia, autism, good for ideas, endurance, communication, stabilizes emotions, clarifies perception and is great for meditation. Hold one in each hand to experience the energy healing of this amazing tool. Set of 2 harmonizers that me vary in size, shapes, colors and inclusions from piece to piece. From India