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Electroforming is an old, established technology and, in its original form, it was a bit cumbersome to use. However, as with other jewelry technologies, it has made great strides over the last decade and is now a much easier and quicker process. In this article, I shall focus on gold, but other precious metals can also be electroformed successfully.... (2003) Complete Story
Tarnishing is superficial corrosion of the carat gold surface and is evident by a usually dark discolouration - the tarnish film. Pure gold, of course, is not susceptible to tarnishing and this property is generally not greatly reduced by alloying to carat golds as long as the gold content is high enough.... (2003) Complete Story
