About: http://webisa.webdatacommons.org/133820925

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Both are carbon, but diamond is the hardest mineral known to man and graphite one of the softest.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com