Jewelry Glossary
YELLOW GOLD:
          in its natural state gold comes in varying shades of yellow.  Relatively pure when initially mined, gold is usually alloyed with copper, zinc, and/or silver when used in fine jewelry making.
          
      
            
              See also:
                  Karat 
                  Rose gold 
                  Green gold 
                  Metal type 
                  White gold 
                  Alloy