Why does my sterling silver ring leave a blue-green ring on my finger?
Sterling silver is alloyed with various other metals, otherwise it would be too soft to make anything out of it. The majority of the time this alloy is cooper. When copper oxidizes or reacts with something it turns green. So what you might be experiencing here is a reaction to the copper that the sterling silver is alloyed with. Now, this probably means that you personally are allergic to copper. The reason most people can wear sterling silver is because it’s nickle free – and for most people it’s the nickle that causes the allergies not the copper. If your finger also swells up, I would say that is the most definite explanation for what is happening here. Your ring should not be changing colour, and should remain silver. If however you see it stripping, it could be that it is mainly plated with silver and underneath you have a copper ring. Stamping it .925 though would make this highly illegal. I would say, the most likely explanation is that you are allergic. There are many manufactu
