Carnelian and Argentium Silver Ring This handmade ring features a 6mm Carnelian stone bezel mounted on a 2.6mm wide 935 Argentium Silver plain band. Polished to a bright finish. Polishing cloth and ring sizer included. Shipped in gift box. Argentium Silver is 93.5% pure silver(1% more than standard 925 Sterling) with the addition of Germanium which makes it much more resistant to tarnishing than 925 Silver, providing a longer lasting shine.