About: http://webisa.webdatacommons.org/259383622

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 mined from these volcanic rocks, and from sedimentary deposits derived from them, on every continent except for Europe and Antarctica.
http://www.w3.org/ns/prov#wasQuotedFrom	oup.com