About: http://webisa.webdatacommons.org/352687378

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	Each mineral, especially francolite and iron and aluminum phosphates, may have variable compositions.
http://www.w3.org/ns/prov#wasQuotedFrom	ufl.edu