Sterling is 92.5% pure silver. .999 Fine is 99.9% pure. Sterling silver =92.5 silver + 7.5% alloy Fine silver usually mention "Ag 99.9 " ,means with 99.9% silver.
yes sterling silver is only 925 fine silver is 99.99% pure (higher quality)
No circulating US coins were ever made of sterling silver (0.925 fine). US dimes, quarters, and halves minted up till 1964, and dollars up to 1935, were made of coin silver which is 0.900 fine.
There really isn't. What 999 silver means is the silver is 99.9% pure, such pure silver is often called "fine" silver (compare that to Sterling silver which is 92.5% pure or coin silver which is 90% pure). Generic silver bars and rounds are what investors and dealers call just your average run of the mill silver bars and rounds as opposed to things such as American Silver Eagles, Canadian Maple Leafs, or junk silver (coins struck in silver that were intended for circulation but have no numismatic value beyond their bullion content).
No. The 14K denotes gold measurements. There is also 10K, 18K, and 24K Fine silver is marked as 999, there is also 950 and 925 marks for sterling silver.
Sterling silver tarnishes simply by being in contact with the air. Pure silver is, like gold, impervious to tarnish, or oxidation on the surface.Sterling silver is an alloy of silver containing 92.5% (by mass) of silver and 7.5% of other metals, usually copper. The sterling silver standard has a minimum fineness of 925.Fine silver is 99.9% pure and is generally too soft for producing functional objects; therefore, the silver is usually alloyed with copper to give it strength while preserving the ductility and beauty of the precious metal.
US silver coins were made from coin silver (.900 fine), not sterling silver (.925 fine).Please see the Related Question for more information.
yes sterling silver is only 925 fine silver is 99.99% pure (higher quality)
Sterling silver is marked .925; fine silver is marked .999. It appears 3645 may be a pattern or product number.
You can wash Sterling Silver with any kind of soap. Money in Britain is made of Sterling Silver, and you can wash money, so yes, it is washable. It is also fine in pools.
Sterling Silver is 92.5% pure. Therefore, 1 gram of Sterling Silver contains 0.925g of pure silver. 1 gram of sterling silver is worth: 0.5714 x 0.925 = £0.5285 Rounded up, a gram of sterling silver is worth 53p / gram. As of 20/01/2011, fine silver is priced at £17.7729 / Troy Ounce (source: lbma.org.uk). There are 31.103 grams in a Troy Ounce. Therefore, 1 gram of fine silver is worth: 17.7729 / 31.103 = £0.5714
925 is the silver content, sterling silver. Hct is the maker. 925 is the purity of the silver. 92.5 % fine silver which is Sterling Silver. The extra % is other materials added for strength and usability.
935 is the purity for Argentium silver. Argentium silver is NOT sterling silver. It is a different alloy which has germanium in it which makes it less prone to tarnishing. Sterling is an alloy that has more copper in it. The copper is added to fine silver in order to make it stronger.
Pre-1965 U.S. dimes are made of coin silver (900 fine), not sterling silver. In any case your coin is worth about $1 for its silver content.
No circulating US coins were ever made of sterling silver (0.925 fine). US dimes, quarters, and halves minted up till 1964, and dollars up to 1935, were made of coin silver which is 0.900 fine.
925 is the purity of the silver. 92.5 % fine silver which is Sterling Silver. The extra % is other materials added for strength and usability. 925 means it is sterling silver. The c could be a makers mark or could indicate that it is sterling plate.
Silver in the fine powder form is black, that is happening on slight friction of silver metal, which is soft
935 is the purity for Argentium silver. Argentium silver is NOT sterling silver. It is a different alloy which has germanium in it which makes it less prone to tarnishing. Sterling is an alloy that has more copper in it. The copper is added to fine silver in order to make it stronger.