About: http://webisa.webdatacommons.org/214102787

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	Ferrites may comprise rare earth, such as cobalt, but the most common ferrites comprise about 50% iron oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au