Can coppper be used as the main metal in jewelry pieces?

Yes, copper can be used as the main metal in jewelry pieces. It may not be as popular as silver, gold or platinum because some people think it is not as pleasing to the eye.

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Copper (Cu) has a high specific gravity (8.94 gr/cubic cm) which makes it an ideal metal for adding some firmness to jewelry. Obviously Copper isn't only a jewelry metal alloy but is also used to produce copper appliances, kitchen tools, etc. In jewelry, though, Copper doesn't usually go solo, mostly due to the fact that Copper tends to get oxidized quite easily. Copper jewelry pieces with gold plating aren't so rare, but otherwise Copper isn't a good choice for being a main jewelry composing metal.

The effectiveness of Copper as a metal alloy is almost unmatched. Almost every jewelry alloy compound consists of some portion of Copper. If a big proportion of Copper is used then the item could still be oxidized rather easily, but normally a Copper alloy is purely an advantage.

Almost every gold jewelry has a portion of Copper. 14K and 18K gold pieces have an ideal proportions of pure gold and metal alloys, in which gold is the prominent special metal, though there's enough Copper to make the jewelry durable. On the other hand Copper is also present in a good ratio, unlike in 9-10K gold pieces where to much Copper can induce oxidization and a very unaesthetic result.

Bronze and Brass are in fact common metal alloys which contain Copper. Brass is a compound of Copper and Zinc, used often in numerous industries, as well as in producing candlesticks, trays and in silver and gold jewelry. Bronze contains Copper and Tin and is commonly used in the art of sculpture.

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