About: http://webisa.webdatacommons.org/154069597

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	Principally, materials such as quartz, mica, and calcite are used to form the waveplate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com