I have a passion for cooking and have spent many years mastering the art. My specialties are cooked from scratch southern-style, down-home dishes and meals, antique and handed-down family recipes, and I love creating my own recipes. I'm also experienced in home-canning and freezing foods.
Sterling silver is an alloy of silver containing 92.5% by mass of silver and 7.5% by mass of other metals, usually copper.The sterling silver standard has a minimum millesimal fineness of 925.Fine silver, for example 99.9% pure silver, is generally too soft for producing functional objects; therefore, the silver is usually alloyed with copper to give it strength while preserving the ductility and appearance of the precious metal.ine silver, for example 99.9% pure silver, is generally too soft for producing functional objects; therefore, the silver is usually alloyed with copper to give it strength while preserving the ductility and appearance of the precious metal.
Rating Newest Oldest. Best Answer: Sterling silver is 92.5% pure silver. Items made of sterling silver will usually be marked sterling or 925.. Sterling silver will not rust, however it will tarnish over time.As it is exposed to air, it will become darker, and eventually turn black. That is why sterling silver needs to be polished occasionally. Keeping silver items in sealed bags or boxes will slow down the tarnishing and keep them shiny longer.terling silver will not rust, however it will tarnish over time. As it is exposed to air, it will become darker, and eventually turn black. That is why sterling silver needs to be polished occasionally. Keeping silver items in sealed bags or boxes will slow down the tarnishing and keep them shiny longer.