About: http://webisa.webdatacommons.org/313508263

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	Small amounts of other metals alloyed with gold change the colour as well as mechanical properties such as hardness.
http://www.w3.org/ns/prov#wasQuotedFrom	webelements.com