Does 925 Silver Tarnish? Why It Happens and How to Prevent It
Written by the Anvi Silver Editorial Team | Reviewed for accuracy by an in-house silversmithing specialist | Last updated: August 2026 Yes, 925 silver tarnishes. It’s an alloy of 92.5% pure silver and 7.5% copper, and that copper reacts with sulfur in air, moisture, and skin oils to form silver sulfide, a dark surface layer. […]






