About: http://webisa.webdatacommons.org/18178640

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	A mineral may made of a single pure substance, or element, such as gold, copper or sulfur.
http://www.w3.org/ns/prov#wasQuotedFrom	authorstream.com