There are various terms used universally - Gold Overlay, Gold Coating and so on.
Gold is a heavy, yellow, metallic chemical element and is considered to be a precious metal.
Being malleable and ductile it finds use in the manufacture of a wide range of products right from jewellery to electronics. Its chemical symbol is Au - a derivation from Aurora or dawn. Internationally, the weight of gold or gold articles is usually expressed in troy ounces. In India gold rates are normally quoted in terms of per 10 grams of the metal. However, the use of tola as a unit of measurement has now declined.