On this page we will try to clear up just what all these terms mean, and more importantly, when to use them in your jewellery making. What are
the differences between gold-plated, vermeil, and gold-filled? Sterling Silver is a mixture of pure silver and some other metal, usually copper. The resulting alloy gives the silver strength. The standard is at least 92.5% silver. Hence the .925 stamp you see on some sterling silver items Looking for a cheaper version of sterling silver, but better than silver-plated?- try Silver-filled See all our sterling silver items Vermeil (Pronounced: Vermay) is sterling silver that has been gold-plated. Most of our vermeil is plated with 24K gold. This is a good combination for those with allergy to normal, plated findings. The difference between vermeil, and gold-filled, is in the thickness of the gold and the base metal used. In vermeil, the base is sterling silver. The standard is for the gold plating to be much thicker than ordinary plating Gold-filled also called rolled-gold. These jewellery findings are not actually filled with gold! They are made of a base metal (usually brass or copper) covered by sheets of gold in a mechanical bonding process. Effectively a thick coat of gold: the gold content is 5% or 1/20 of the total weight. Use gold-filled items for your top-of-the-line jewellery. Usually made with 14k gold, it is hard wearing. With reasonable care it will not peel or flake, and should last as long as solid 14k gold jewellery. It is safe for most people with sensitive skin Gold jewellery reacts with chlorine. Never take your gold jewellery into a pool or spa. Silver-filled This type of jewellery finding is not actually filled with silver! They are made of a base metal (usually brass or copper) covered by sheets of sterling silver in a mechanical bonding process. Effectively a thick coat of silver: the silver content is 5% or 1/20 of the total weight. This has all the advantages of sterling silver, but without the price tag. With reasonable care it will not peel or flake, and should last as long as sterling silver jewellery. See all our Silver-filled items Gold-plated A base metal such as steel or brass is dipped into
a bath of electroplating solution, with a lump of solid gold. When an
electric current is applied, a thin layer of gold is deposited on the
metal. Since the plating is quite thin, the plate (and hence the colour)
on findings can wear off. Gold Purity - Karats The karat is a very old measure of how much gold is in an alloy, or gold-blend. A measure of 1 Karat is where there is 1 part of pure gold and 23 parts of metal alloy - or 4% gold. So 24K is 100% pure gold. 9K is 37% - 14K is 58% - 18K is 75% Carat is not the same as Karat. Carat is a jewellers' weight measurement, initially used to describe diamonds. One Carrat is 200 milligrams ie one fifth of a gram. Jewellers also have a point system where one carat is 100 points. The size of a stone is not necessarily measured by carats. Different types of stones have different density, hence a 1 carat diamond is a different size to a 1 carat ruby. Allergies: Some people have allergic reactions to some platings.
Look here for a wire gauge table so you can convert and find out how thick wire should be. We have a large range of precious metal wire available. If we don't stock it we can get it made for you! |
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John or Wendy Carmichael, craft.ontheinternet,
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