Why Some Rings Discolor your Finger
Have you ever removed your favorite ring to find a thick green or black stain on your finger? Some rings can turn your finger black or green, and though there are many far-fetched explanations for this occurrence, the facts are interesting and useful. Chemicals, alloys and acid in jewelry can all play a part in causing that semi-permanent black or green ring around your finger. Knowing how it happens can help you avoid the stain and keep your jewelry in good condition.