PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Pegmatites concentrate rare elements such as boron, beryllium, and lithium???giving rise to many unusual minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • si.edu