About: http://webisa.webdatacommons.org/416219495

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	Some crystals, such as galena and iron pyrite (fool's gold) occur geologically.
http://www.w3.org/ns/prov#wasQuotedFrom	midnightscience.com