Keeping sterling silver jewelry clean is often considered difficult enough for pieces you frequently wear. However, pieces that are not worn for extended periods of time can corrode and tarnish as well. Thus, silver jewelry storage is a critical component for preventing corrosion and tarnish. By following a few simple rules, you can save yourself hours of cleaning and keep your sterling silver jewelry bright and beautiful for years.
The tarnish on sterling silver jewelry is the result of oxidative reactions with sulfur, such as Hydrogen Sulfide, in the air and environment (the nickel or copper alloy in most sterling silver also undergoes its own oxidative reactions). The corrosion of silver combined with sulfur creates the darkening referred to as tarnish. Therefore, you must insure your jewelry is clean and dry before storage; since any moisture, dirt, oils or other residual chemicals will accelerate the tarnishing. A container that locks out air is preferable, since reducing contact with air will slow corrosion. The most common household items with this function are zip lock bags, or any other air tight bag with non-abrasive surfaces, such as those made of polyethylene or Mylar. Avoid polyvinyl plastic bags however, as they have chemical compounds that promote tarnishing. If you’re willing to spend extra, jewelry stores carry specialized bags and boxes that help prevent tarnishing. When storing, it’s best to keep jewelry in separate bags, away from other hard items that may scratch your jewelry’s surface.