Dating silver jewellery
This silver content tarnishes more slowly than sterling.Sterling silver is the standard for beautiful, high quality silver jewelry being over 90% pure silver mixed with alloys to add strength and durability. Sterling silver is 92.5% (925 parts) pure silver and 7.5% (75 parts) alloy metal.From the 1930 through the 1950s, within Mexico, artist colonies arose which produced enormously influential silver jewelry.William Spratling and Margot de Taxco along with many others created jewelry masterpieces. It is very ductile and malleable below gold and palladium (one of the platinum metals).Pure Silver, which is at its natural state and is 999/1000 pure, and, because of it purity, makes it too soft for molding into ever day products.Coin silver is 90 percent (900 parts) pure silver and 10 percent (100 parts) alloy metal. Copper alloy - that contains nickel and zinc sometimes is called German Silver.As its name implies, coin silver was used to produce U. Metal content of Nickel or German Silver contains copper from 50% to 61.6%, zinc from 19% to 17.2%, nickel from 30% to 21.1%, and these proportions of metals are always specified in commercial alloys.
Older pieces have a more complicated, heavier look.In order for Pure Silver to be hard enough and suitable for arts and crafts including jewelry, it must be alloyed with other metallic components which helps to make it hard enough and suitable for crafting.