About: http://webisa.webdatacommons.org/309580772

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 preferred alkali metal silicate is one having the formula M2 O(SiO)n where M is an alkali metal and n is between 1 and 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com