About: http://webisa.webdatacommons.org/290877757

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	Sphene is a common and widespread mineral in many igneous rocks and metamorphic rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	gemologyproject.com