For silver objects from being too opaque and cost less to restore its original luster is convenient cleaning at least once a month. Currently there silver decorative elements hardly black because they are processed through an electroplating process with rhodium.
However, many have different antique silver objects, which darken over time because of the constant dust and other environmental agent’s exposure. Unlike what many believe, this material does not rust, but has a reaction with hydrogen sulfide, which causes it to become more opaque.
Luckily, no longer you need to purchase expensive metal polishes to leave with a shiny and renewed tone. Given some home tricks can polish all the elements to regain their natural shine.