About: http://webisa.webdatacommons.org/267685442

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	Piezoelectric materials exist in a variety of forms as naturally occurring crystalline minerals, such as quartz, manufactured crystalline and other materials, plastic materials, including films and foams.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com