About: http://webisa.webdatacommons.org/182832856

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	Each of these samples was a green glass having a dominant wavelength (??d) of from 490 to 560 nm and an excitation purity (Pe) of less than 6%, which were measured with the CIE standard illuminant C.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com