PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • On its way to the surface, kimberlite frequently picks up rock and mineral fragments, including diamonds, one of which can be seen in this sample.
http://www.w3.org/ns/prov#wasQuotedFrom
  • amnh.org