Gold is one of a few noble elements, and is considered a key element for jewellery, medicinal and electronic purposes. The largest producers of gold come from South Africa and China. Gold is malleable, ductile and never tarnishes making it suitable for jewellery. Gold is a highly favoured as a necklace, ring, bracelet and other alternative forms of jewellery. In terms of durability, gold never tarnishes, but never appears in its most purest form, rather as alloyed with other metals to increase the product life.