The stamp 925 is used to identify genuine sterling silver jewelry, which contains 92.5% silver. Functional silver jewelry is often made with 92.5% silver. The remaining 7.5% of metal in 925 sterling silver is most commonly copper, however, some silversmiths opt to add durability with alloys of zinc or nickel instead.

What number should real silver be?

The “Hallmark” Test An imprint of the numbers “925” indicates that the jewelry piece contains 92.5% of pure silver. Other marks may be “Sterling Silver,” “Ster” or “Sterling.” Markings are normally found on larger parts of the jewelry piece where they can be engraved.

Will 925 silver tarnish?

Pure silver is not susceptible to tarnish in a pure oxygen environment. However, the copper that is contained in 925 sterling silver may react to the ozone and hydrogen sulfide in the air and cause sterling silver to tarnish. Perfumes, hair sprays, and profuse sweating can also cause a quicker formation of tarnish.

How do I know its silver?

Pure silver makes a strong ringing sound when rubbed against each other so one of the best ways to identify the purity of silver is by rubbing them with another metal or another silver item. If you have a coin and you drop it on a flat surface, it should make a sound like a ringing bell.

How to tell if your sterling silver jewelry is real 92.5?

Pure Silver is not magnetic, so if your jewelry piece is drawn to the magnet, it is not real 92.5 sterling silver or more. Chances are that the alloy your jewelry piece was made has a different composition percentage.

What do the numbers mean on a sterling silver coin?

Eventually, manufacturers also started using the word “coin.”. But after the Civil War, silversmiths continued to stamp their own names on the back, along with the word “sterling” or the number 92.5 or 925, all of which indicate sterling quality.

What does the number 925 mean on sterling silver?

An imprint of the numbers “925” indicates that the jewelry piece contains 92.5% of pure silver. Other marks may be “Sterling Silver,” “Ster” or “Sterling.”

How can you tell if something is pure silver?

If it has a small inscription on it which says ‘ster’ or ‘sterling’, it means that the silver in the item is 92.5% or close to pure silver. Another symbol to look out for is ‘IS’ which means that it is international silver or silver plated.