PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Sapphire is a variety of the mineral corundum.??? Corundum is found in every color of the rainbow, with red being designated as ruby and all other hues Sapphire.??? But the most prized color of Sapphire is a rich, deep blue.
http://www.w3.org/ns/prov#wasQuotedFrom
  • about-birthstones.com