Karelian Heritage Shungite Crystal Pendant Double Circle, Natural Black Stone Jewelry Against EMF Genuine shungite stone pendant, Natural black Russian stone for crystal healing Made of polished III type regular shungite. Type III shungite contains up to 50% of carbon. It has deep grey or black color. The shape of the pendant is circle. The size of the pendant is 50x50x5 mm (1.96x1.96x0.19 inches); Weight of the pendant is 10 gr (0.35 oz) Attention! The pictures are shown for illustrative purposes only. We will send you the best item available. Feel free to ask for the pictures of the items available. Manufactured by Karelian Heritage Company and comes in original packaging with a business card