How to Clean Jewelry
Know when to clean with ammonia
Ammonia is a powerful cleaner, but, chemically, it can be somewhat caustic. Avoid doing using ammonia to clean gold jewelry too often to prevent wear on your jewelry ammonia is a good candidate for occasional (but not frequent) deep cleans.
Ammonia can damage certain materials often used in jewelry. Dont use ammonia when cleaning gold jewelry pieces that contain platinum or pearls.