About: http://webisa.webdatacommons.org/67043299

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	Since the crystals thus grown have not been grown selectively, impurities such as alkali metal or alkaline-earth metal may be contained in the dislocations that occur at random.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com