About: http://webisa.webdatacommons.org/376730523

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	According to the Measures of Hardness Scale (MOHS), diamonds are rated at 10 and are the hardest materials on earth.
http://www.w3.org/ns/prov#wasQuotedFrom	monuments.com