About: http://webisa.webdatacommons.org/12234190

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	In most of those deposits that are of interest, diamond is present in concentrations of less than about one part in five million.
http://www.w3.org/ns/prov#wasQuotedFrom	photius.com