Gold Jewelry Design (offline)

questa applicazione contiene le ultime idee di design di gioielli dal moderno metallo oro

Gold is one type of metal. The metal known as this precious metal is a metal with Au symbol which has atomic number 79. Pure gold has a shiny yellow color. Pure gold is tougher when compared to tin and no harder than silver. Pure gold is very rarely used as jewelry. To make it harder, pure gold needs to be added by other metals. The type of metal added is a metal that does not change the golden luster significantly. The added metal type also does not make the gold brittle.