How the sterling silver standard for use in copper jewelry

The .925 sterling silver alloy contains 92.5% pure silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum of 925-fineness kilometrical when used in Copper Jewelry.

Sterling silver (99.9% pure) is generally too soft for jewelry; therefore, silver is mixed with copper to make it stronger, while at the same time preserving its ductility and beauty of this precious metal, which is ideal for jewelry.

Other metals can replace the copper, usually with the intention of increasing the different properties, reducing the porosity, increasing resistance to tarnish, etc… These metals are indexed germanium, zinc or platinum, as well as additives such as silicon and boron.

A number of new alloys have appeared in recent years, in order to reduce the tarnishing of silver, which has sparked fierce competition among various manufacturers of jewelry, Sizemore who want to leave saying they have the best formula. Having said all this, J. Gooding, Inc. wholesale jewelry ensures the highest quality 925 sterling silver in all its products.