About

Chris Corti

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Chris Corti

Article
Book Review – At the Bench

This soft back book is a practical guide intended for practising goldsmiths and is developed from a number of articles by the authors originally published in AJM magazine. It comprises articles and projects on making and repairing jewellery.…

Article
Carat Gold Solders for Jewellery Making

In many countries, regulations govern the caratage of gold solders used to make jewellery and, with few exceptions, gold solder alloys should be of the same caratage as the jewellery. One problem with the production of solders is to ensure…

Article
Cracks in Jewelry Manufacturing

As many jewelry manufacturers and goldsmiths know from hard experience, cracking in jewelry can occur at any time during its manufacture. It can also occur much later, after the jewelry has been sold to the consumer or during repair. Cracking…

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Electroplating Jewellery

Electroplating is a method to put a metal coating onto an object, in our case a piece of jewellery, by placing it in a solution containing the metal to be plated and passing an electrical current through the piece and the solution. It is possible…

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Gold Jewellery Tarnishing

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…

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Recent Electroforming Developments

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.…

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Recycling Gold from Electronics

With over 300 tonnes of gold used in electronics each year, end-of-life electronic equipment offers an important recycling potential for the secondary supply of gold. With gold concentrations reaching 300-350 g/t for mobile phone handsets…

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Refining Gold Jewelry Scraps

When questions arise about manufacturing quality gold jewelry, manufacturers are eager to talk shop with their peers and industry experts. They want to know if they are using the right alloy for a specific application, casting at the appropriate…

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Technology’s Relevance to Jewellery Design

Jewellery design is generally considered solely from an artistic standpoint, and the jewellery is viewed as an expression of a designer’s artistic talent. How does technology fit into this scenario? Certainly design and technology are…