PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Inorganic pigments made of minerals can be extracted from earths, fossils, marble or other volcanic and sedimentary rocks in the form of silicates, carbonates, oxides, sulfides and the salt of various metals, such as iron.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com