Shungite Polished Plate From Russia - 4.0"

This is a beautiful black Shungite plate from Russia. Nicely polished. Great for placing food on it to prevent it from absorbing electromagnetic waves. Each piece will be similar to the one pictured, but slightly different shape.
Location: Karelia, Russia
Size: 8-12 Centimeters long and its 1cm thick
Weigh: 150-250 Grams