About: http://webisa.webdatacommons.org/296031237

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	Clay is an earthy substance that is composed mainly of fine particles of hydrous aluminum silicates and other minerals and is plastic when moist but becomes hard when heated to maturity.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk