About: http://webisa.webdatacommons.org/72595380

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When precious metals are used in jewellery, they are almost always combined with other metals, such as copper, in order to make them stronger and more durable.
http://www.w3.org/ns/prov#wasQuotedFrom	thediamondstore.co.uk