Your pendant necklace is made of solid sterling silver with rhodium plating. Silver 92.5% of the Truesilver. The remaining 7.5% is an alloy, which lent wear properties of silver, the metal is too malleable to maintain its shape.
Over time, oxidation mellow patina silver tend to develop caused, which causes an "antique" look there defiled established fine jewelry gives a unique air. May not appreciate some aspects. To make your jewelry tarnish, we board rhodium silver. Plating cleaning and polishing save you the most trouble, but if you really become tarnished silver, there is no reason to panic. After all, you have to tell dull evidence from a trustworthy seller to buy real silver, and you can clean the stain away with a soft cloth with a little toothpaste.
