Unusual Property
Gold is unusual because it doesn't react with many other elements. This is very uncommon.
Isotopes
Gold has only one stable isotope, Au-197 this is the most common. Gold's has 36 un-stable isotopes but here are seven of them. Au-194 1.6 days, Au-195 186.1 days, Au-195m 30.5 seconds, Au-196 6.2 days, Au-197, Stable Au-198 2.7 days*, Au-1993.14 days
*most common radioactive
*most common radioactive
Crystal Shape
Gold's crystalization is very rare. However, its cubic shape is a face centered cube.
Products and Uses
In additon to being made for jewlery, healing, and being used for all art forms gold is used for being malleable, and it can reflect heat very well.
Compounds
The video below talks about different compounds and mixtures gold is involved in.