Uses of Gold Plating

Gold plating is a common process by which a very thin layer of gold metal is applied to any object. Gold plating generally results in a finished product that has the same appearance as solid gold, but, in fact, only contains a small amount of the precious metal. Gold plating has several uses, each of them taking advantage of some aspect of gold.

Jewelry
A great deal of the gold plating that is done is performed on jewelry. An artist or jeweler may add gold plating to a portion of a piece of jewelry to add a secondary color to the design or cover the entire piece in gold, giving it the look of a solid-gold object. Like solid gold, a gold-plated piece of jewelry retains its gold color indefinitely and does not tarnish or rust. Of course, gold-plated jewelry is not nearly as valuable or costly as its solid-gold counterparts, though the physical appearance is much the same. Depending on the process used, gold-plated jewelry may eventually wear as the metal below the layer of gold begins to show through, ruining the illusion.

Electronics
Electronics manufacturers also use gold plating for a very different purpose. One of the unique properties of gold is its excellent conductivity. For this reason, gold-plated electronics components are among the most reliable and highest quality in the industry. Computer semiconductors sometimes use gold plating, as do high-end audio cables that transmit sound at extremely high-quality levels.

Decoration
Finally, gold plating is used for its aesthetic value, simply to embellish or decorate. For thousands of years, artists and architects have used gold plating to enhance their work, whether adding gold leaf to a painting, to the edges of pages in a book, to the capital of a marble column or to the cornice of a building. This use of gold plating serves as a reminder that gold has been considered sacred, valuable and, even, magical by many cultures throughout history.

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