About: http://webisa.webdatacommons.org/70482199

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	However, hydroxylapatite is a ceramic material and is, therefore, very brittle and somewhat difficult to form into usable shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com