<http://webisa.webdatacommons.org/prov/55974476> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/363771676> . <http://webisa.webdatacommons.org/363771676> <http://www.w3.org/ns/prov#value> "Large quantities have been mined in Russia, and it is found worldwide -- in Africa, France, Israel, Mexico, and even the US, most notably in Arizona." . <http://webisa.webdatacommons.org/363771676> <http://www.w3.org/ns/prov#wasQuotedFrom> <maitland-smith.com> . <http://webisa.webdatacommons.org/363771676> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .