About: http://webisa.webdatacommons.org/275760684

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	Carbon-carbon single bonds are pretty strong, so diamonds are chemically inert for the most part and because there are not layers like in graphite, diamond is rigid and hard.
http://www.w3.org/ns/prov#wasQuotedFrom	dailykos.com