About: http://webisa.webdatacommons.org/41283105

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	Diamonds are the hardest substance known and have one of the highest melting points of all substances.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org