PEN-SHUA-07 Origin: Russia Grade: A Dimensions: Approximately 20-30mm Weight: Approximately 6g Origin: Russia Grade: A = good Polished shungite with a hole, approximately 20-30mm (may slightly vary from one stone to another). Sold individually. Free waxed cotton cord included. WASH your Shungite pendant under hot running water before first use to avoid black stains (post-production dust) on your skin and clothes, let it dry in the sun to recharge. Shungite is an organic mineral found only in one place in the world: in the Northwest of Russia, in Karelia, in the Lake Onega region called Shunga, near the White Sea.