The gold content of Millennium jewelry is above 99.9%. Gold ornaments are pure gold or pure gold, with gold content above 99.9% and high purity. Gold is an elemental form of chemical element gold, which is a soft, golden yellow and corrosion-resistant precious metal. Gold is a rarer and more precious thing. More valuable metals. Internationally, gold is measured in ounces. In ancient China, beams were used as units of gold, which was a very important metal.