Oxidized silver is silver that has been exposed to oxygen in a pressurized environment for a long period of time. It is different from traditional silver because it is a darker color and has very little luster.Know More
Pure silver must generally be polished and cleaned on a regular basis to keep it from becoming tarnished. It should not be placed in areas where it will be exposed to large amounts of oxygen and should be taken care of in special silver storage containers. Oxidized silver will not be affected by the tarnish and the tarnish will allow the silver to take on a more oxidized work. Oxidized silver does not have to be polished or cleaned and can generally be left in any type of environment.
Pure silver is found only in the ground and is not combined with other elements to make pieces of jewelry or home decor items. It is the most reactive silver and will tarnish more quickly. Sterling silver is the most popular and common type of silver found in jewelry and home decor. It is combined with other metals to help prevent it from tarnishing. Sterling silver is much harder than pure silver and is able to stand up to daily use.Learn more about States of Matter
To clean sterling silver earrings, place them in a bowl containing water, vinegar, salt, baking soda and aluminum foil. Polish them with a cloth after soaking. This 20-minute method requires a bowl, boiling water, aluminum foil, measuring spoons, a measuring cup, salt, baking soda, white vinegar and a microfiber cloth.Full Answer >
Sterling silver turns black or tarnishes due to a chemical reaction caused by contact with sulfur or hydrogen. Some foods or everyday items containing sulfur can cause tarnishing, but even polluted air can turn sterling silver black.Full Answer >
One of the easiest ways to test for sterling silver is to look for the authentication stamp. The stamp is likely STER, STERLING, 92.5, STERLING 925, S/S or 925/1000.Full Answer >
"Italy" denotes the country of origin, and "925" indicates silver at 92.5 percent purity, which is sterling silver. 92.5 percent purity means that the piece is comprised of 92.5 percent silver by mass and 7.5 percent of another metal by mass.Full Answer >