Copper is one of those metals you don't see a lot of when it comes to your average jewelry design. In fact, most metalsmiths learn the jewelry making ropes on copper, and then graduate to silver, then gold, then platinum, and well, you get the picture.

So, I guess since copper is a rather inexpensive metal compared to gold for example, that may be one reason it's not considered as valuable to most jewelry designers. Yes, I get that it doesn't cost a lot, but that doesn't mean you can make some cool jewelry with copper, such as they very cool copper earrings from City Details.