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Basic Information Sterling silver is an alloy made up of 92.5% pure silver and other metals such as copper make up 7.5%. Of all precious metals, it is the most reflective one. When exposed to air and other chemicals, sterling silver is prone to oxidization and tarnishing. The main reason why pure silver is rarely used for making jewelry is because it is malleable and over time, it will lose its shape. The alloy helps to harden the silver thus making it ideal for making jewelry. How To Maintain This Jewelry? The most important thing to observe when caring for sterling silver is to maintain it properly so that there is reduced need to care for it later. 1. Store the jewelry in a zip lock baggie to keep the exposure to air as minimal a level as possible. 2. When you are wearing the jewelry, you should try to avoid contact with chemicals. Even such harmless looking products such as hand lotion or hair spray can speed up the tarnishing. 3. Do not wear the jewelry until you have finishe