About: http://webisa.webdatacommons.org/232775016

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	Other sources are gypsum, barite, zinc blende, cinnabar, galena, iron pyrites and other ores and minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	usesof.net