1.Gold is yellow. Gold jewelry that has different colors means that the gold has been mixed with one or more metals.
2.Gold jewelry usually contains a maximum of 21K of pure gold since gold is soft and easy to scratch and is, therefore, mixed with other metals for sturdiness.
3.Gold is the most malleable metal. It can be made into thin, almost-transparent sheets and even threads.
4.Pure gold never changes color.
5.Gold is not very chemically reactive, which is why it does not oxidize, rust or tarnish.
6.Gold melts at 1064.43° Celsius.
7.Gold is a highly dense metal. In other words, it is very, very heavy.
8.Gold is used in the manufacturing of electronics for being a good conductor of electricity.
9.Gold is used in tooth fillings, satellites and space helmets as well as a cure for many diseases.
10.Pyrite is also called “fool’s gold” because it resembles gold in appearance.