About: http://webisa.webdatacommons.org/385276881

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	The lowest naturally occurring refractive index for a solid is 1.39, and nothing between that and 1, the refractive index of air and other gases, has been discovered.
http://www.w3.org/ns/prov#wasQuotedFrom	overclockersclub.com