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Fine silver, which is 99.9% pure silver, is relatively soft, so silver is usually alloyed with copper to increase its hardness and strength.Sterling silver is prone to tarnishing, [1] and elements other than copper can be used in alloys to reduce tarnishing, as well as casting porosity and firescale.
"The words "silver" and "sterling silver" describe a product that contains 92.5% pure silver. Silver products sometimes may be marked 925, which means that 925 parts per thousand are pure silver. Some jewellery described as "silver plate" has a layer of silver applied to a base metal. "Coin silver" is used for compounds that contain 90% pure ...
Sterling silver has a millesimal fineness of 925. The sterling silver alloy is 92.5% pure silver and 7.5% copper or other metals. This alloy was used by the United ...
Sterling silver with a 925 stamp is 92.5% silver. A 585 gold stamp means 14-karat gold. ... The magnet test is an easy way to find out if your ring is made of real metal. Gold and silver aren’t ...
For example, 10k, 14k, and 18k mean 10-carat, 14-carat, and 18-carat gold, and 925 indicates sterling silver. You may also see a maker’s mark, which provides information on who made the piece ...
A hallmark is punched into a section of a silver chain by a silversmith.. A hallmark is an official mark or series of marks struck on items made of metal, mostly to certify the content of noble metals—such as platinum, gold, silver and in some nations, palladium.
925: (37 ⁄ 40) Sterling silver. The UK has used this alloy from the early 12th century. Equivalent to plata de primera ley in Spain (first law silver) 917: a standard used for the minting of Indian silver , during the British raj and for some coins during the first Brazilian Republic. 916: 88 zolotnik Russian silver
IJC chains that have surfaced are stamped with 'ITALY' and are made of 925 sterling silver or 9 carat gold. Topics referred to by the same term This disambiguation page lists articles associated with the title IJC .