Silver stamped ".925 FAS" is made of 92.5 percent silver, and the remaining 7.5 percent can include a combination of other alloy metals. These other metals may include copper, nickel or zinc.Continue Reading
Silver is not required to be marked in the U.S. This type of FAS silver is also called sterling silver.
A drop of nitric acid can test a piece of jewelry to determine whether it is sterling silver. The nitric acid turns a creamy color if it is authentic sterling silver, and it turns green if the jewelry is nickel silver, silver-plated brass or a low-quality silver alloy.Learn more about Precious Metals & Gems
Silver has been in use dating back to prehistoric times. The precise date of discovery is not known; however, silver objects have been found dating back to 3000 B.C.Full Answer >
Silver is usually obtained as a by-product of the process of purifying other metals such as copper, lead and zinc. Silver can also be collected from refining gold or from silver ores. It is usually separated from its ores using a flotation process and then purified by smelting.Full Answer >
Silver marked .950 is an example of the first French millesimal fineness of 950/1000, and silver marked .800 is most likely a coin-standard silver obtained by melting silver coins. Assuming the specimens are of equal weight, the .950 specimen is more valuable.Full Answer >
Brass is an alloy that is a mixture of the metals zinc and copper. Using brass makes sense for many manufacturers since it is durable and easily transformed into objects.Full Answer >