I had not seen palmstones in this material – this is one of three and the largest of the 3.
Shungite comes in varying percentages of carbon content. These shungite palmstones have an excellent polish and exhibit small flecks of higher grade shungite. Primary uses for shungite are to filter drinking water and for repelling EMF and negative energy. Shungite is one of the few healing crystals that has scientifically proven attributes.
You will receive the one in the photo. It is approximately 50mm x 40mm