About: http://webisa.webdatacommons.org/76462945

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	In contact with some other gemstone or the metals which contain them such as gold, they can crack each other or the metal.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com