What types of silver jewelry plating are there?
Unlike gold and platinum, however, pure silver is rather unstable and oxides rather quickly. Therefore, silver jewelry is usually plated with another metal to protect it from tarnishing. There are two kinds of plating for silver jewelry: nickel and rhodium plating. Nickel plating has a more whitish look and rhodium plating has a darker look. Rhodium is used to plate white gold and platinum jewelry and is much more expensive than nickel, and it give better protection to the silver underneath. On the other hand, some silver jewelry is not plated. For instance, high polished sterling silver jewelry does not have any plating and the surface is polished by machine to render shininess. Also, “oxidized silver” jewelry is oxidized on purpose to give a dark antique look and is not plated with any other metals. How do I know the purity of my silver jewelry? The purity of sterling silver refers to 92.5% of silver in the alloy. In order to confirm the purity, the metal itself has to be sent to a l