About: http://webisa.webdatacommons.org/337383245

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	Ceramics such as sapphire or other transparent crystalline materials have undesirable prismatic effects.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com