About: http://webisa.webdatacommons.org/245018545

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	Many limestones exhibit different colors and impurities such as clay, sand, organic materials, and even fossils trapped within them.
http://www.w3.org/ns/prov#wasQuotedFrom	carvedstonecreations.com