PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The hardness varies due to several factors, including both the environment and the matrix or host rock in which the turquoise is found.
http://www.w3.org/ns/prov#wasQuotedFrom
  • traderoots.com