About: http://webisa.webdatacommons.org/82842840

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	All are made of hard, heavy, tough materials, including stone, bone, ivory, antler, shell, and metal.
http://www.w3.org/ns/prov#wasQuotedFrom	accessgenealogy.com