About: http://webisa.webdatacommons.org/121269154

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	Typically, these impure cordierite compositions are those prepared from natural starting materials such as talc and clay.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es