Aifeer 925 Sterling Silver Tassel Threader Love Heart Dangle Drop Earrings Long Chain

About Aifeer:As a professional manufacturer and exporter of sterling silver jewelry, we have been focusing on the design, development and production. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Our excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. Features: Material: 925 sterling silver Color: silver Weight: 10g Suitable crowd: for ladies with pierced. Package: a pair of earrings + beautiful gift box + silver polishing cloth About Sterling Silver Why the sterling silver may turn black? Sterling silver is a kind of unstable metal element which may turn black when it is in air. When it touch the Hydrogen Sulfide in the air, it's face will become dark because of the production of Ag2s, the equation is 4Ag+H2S+O2=2Ag2s+2H2O, the more Silver Sulfide, the darker, so the surface turns from silver to yellow, gray and black at t