About: http://webisa.webdatacommons.org/45213197

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	Coltan, also known as tantalite, is a black metallic ore is used in smart phones, computers and other electronic devices.
http://www.w3.org/ns/prov#wasQuotedFrom	ksn.com