About: http://webisa.webdatacommons.org/392367150

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	Because travertine is a natural stone tile, the minerals within it are reactive with acid solutions, such as orange juice and vinegar.
http://www.w3.org/ns/prov#wasQuotedFrom	sfgate.com