PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Native Sulphur is usually formed from volcanic action - as a sublimate from volcanic gasses associated with Realgar, cinnabar and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • therockshed.com