About: http://webisa.webdatacommons.org/320250727

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	Gypsum is a mineral found in sedimentary rock formations in a crystalline form known as calcium sulfate dihydrate.
http://www.w3.org/ns/prov#wasQuotedFrom	certainteed.com