. An example of the different compositions of gold would be: Yellow Gold: copper, silver, zinc White Gold: copper, nickel, zinc Rose Gold: copper Green Gold: silver Platinum... are white, silver, rose pink and pink, and cream, gold green and blue follow. The deep hue of the Japanese pearls derives from their characteristic nacre structure. Some cultured pearls... Platinum is called the noblest of all metals. Platinum is a pure white, hard and very dense metal. It is more difficult to work with than gold (and many jewelers won t even touch...