About: http://webisa.webdatacommons.org/6040051

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	On the Mohs scale of hardness, diamond is the hardest substance known with a rating of 10.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com