About: http://webisa.webdatacommons.org/271639966

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	Also, imperfections such as checks (small surface splits), pitch pockets (small dark holes) or darker mineral streaks are natural and are not considered defects.
http://www.w3.org/ns/prov#wasQuotedFrom	kitchenlav.com