SHUNGITE pendant "Circle with the tree of life" : Shungite pendant has diameter around 32 mm and weight 8g. "Tree of life" is made of metal (zinc alloy). Color: Antique bronze. Comes with a black waxed thread ( diameter 1mm) SHUNGITE is miracle natural stone that protects the human biofield. Shungite suits everyone both men and women. It makes the place around pure and safe and it also brings calm, good luck and success.