About: http://webisa.webdatacommons.org/221594583

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	Moreover, there are among them two materials which both technically and as colors are unsurpassed by any other pigments: the two green chromic oxides, brilliant and opaque.
http://www.w3.org/ns/prov#wasQuotedFrom	howtodrawit.com