About: http://webisa.webdatacommons.org/260749844

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	Stones for seals vary over time, ranging from soft stones such as marbles and serpentines, to harder ones such as hematite and chalcedony.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com