Jewellery appeared worldwide during the early phases of civilisation, when people, through belief in the existence of supernatural forces and magic, laid down the substrate of religion. In those times, and for many centuries after, jewellery was regarded as having the power to attract benign forces or to avert evil, functioning as a magical medium. Its association with metals was of decisive importance, not least with gold which, being imperishable and untarnishable, was the only metal charged of itself with supernatural properties. In time we put aside the magical character of jewellery,...