About: http://webisa.webdatacommons.org/78763129

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	Diamond is the hardest known substance but because of well developed cleavage and a brittle tenacity,
http://www.w3.org/ns/prov#wasQuotedFrom	emporia.edu