Sterling Silver: 92.5% Silver + 7.5% other metals (usually copper)
14K Gold-Filled or 14K Rose Gold Filled: is composed of a layer of gold ( 5% gold by weight) mechanically bonded to brass. It does not rub off, flake off or turn color. As long as the piece is well cared for, gold-filled jewelry can last a lifetime. It contains 100x more gold alloy than gold plated.
To prevent tarnish: wear often and store in jewelry box or in a sealed zip-loc bag
Minimize contact with: sunscreen, perfume, lotion, bleach, dish soap, nail polish remover and hairspray.
Wash with mild soap
Wipe with soft cloth or Jewelry Polishing Cloth