About: http://webisa.webdatacommons.org/432262512

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	minerals such as magnetite so that it cannot be recovered by normal gravity separation
http://www.w3.org/ns/prov#wasQuotedFrom	nevada-outback-gems.com