About: http://webisa.webdatacommons.org/165813716

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	A gemstone or gem (also called a precious or semi-precious stone) is a piece of attractive mineral, which???when cut and polished???is used to make jewelry or other adornments.
http://www.w3.org/ns/prov#wasQuotedFrom	buyerofgems.com