Elite Shungite Detoxification Stone 100 Gr/0,22 Lb for water & jewelry making (#A 1-3 gramm per one stone) Rare high-carbon Elite Shungite 92-98% pure carbon Quantity total: 1/4 lb Random crystals weight (One stone): #A 1-4g Our stones are selected manually, mechanically pre-cleaned without the use of chemistry, so that you get the best stones. Authenticity - certified stones extracted directly the Zazhoginsky mine From Karelia, Russia Keled Rocks - A premium brand of shungites stones you know and trust