About: http://webisa.webdatacommons.org/250139210

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	Diamonds are the hardest natural substance on earth and in southern Africa, have been shown to transport as far as 600 miles from their known source kimberlites in the Kimberley region to the ocean shores along western Africa.
http://www.w3.org/ns/prov#wasQuotedFrom	webs.com