About: http://webisa.webdatacommons.org/7801604

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	Thus for example, some forms of SiO2 which can be used as the initial reactant are quartz, cristabolite, tridymite and amorphous silica.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca