PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Around 3000 BC, iron was a scarce and precious metal in the Near East.[clarification needed] The earliest known iron artifacts are nine small beads, dated to 3200 BC, from burials in Gerzeh, northern Egypt, that were made from meteoric iron, and shaped by careful hammering.[4] Iron's qualities, in contrast to those of bronze, were not understood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org