PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cobalt is used in pigments, notably cobalt blue, and in high-strength, high-temperature steel alloys.
http://www.w3.org/ns/prov#wasQuotedFrom
  • periodictable.com