About: http://webisa.webdatacommons.org/165501802

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	Silica is a naturally occurring mineral that can be found in the earth???s soil.
http://www.w3.org/ns/prov#wasQuotedFrom	whatissilica.net