PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Avoid emeralds with inclusions that are too close to the surface, especially if these flaws are in the form of long lines and cracks: Such inclusions make a stone more vulnerable to damage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • jewelrynotes.com