Stag & Harp Jewelry CleanerOur all purpose Gentle Jewelry Cleaner is safe for use on a wide array of jewelry, from delicate pearls and gemstones to sterling silver and other precious metals. This trade secret, ammonia free, and sediment free cleaner can be safely used on porous stones, soft stones, enamel and treated gemstones. However, we do not recommend use with any jewelry that has an oxidized finish or other patina, as the finish could potentially be removed. 6oz jar;