About: http://webisa.webdatacommons.org/438089054

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	All natural stones such as granite, marble, quartz, travertine, or limestone, are composed of many crystals.
http://www.w3.org/ns/prov#wasQuotedFrom	munro-co.com