About: http://webisa.webdatacommons.org/353157662

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	In the case of gold, a mixture with one or more metals, often base metals such as copper, zinc and silver, to lower the purity, influence the color or add hardness and strength.
http://www.w3.org/ns/prov#wasQuotedFrom	bondedinfo.com