About: http://webisa.webdatacommons.org/242209860

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	Examples of the powdery inorganic substance include carbon black, graphite, silica, quartz powder, glass beads, glass balloons, glass powder, metal oxides such as iron oxide, ferrite, silicon carbide, silicon nitride and boron nitride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com