About: http://webisa.webdatacommons.org/53738530

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	However, today, Obsidian is generally found and mined in Italy, Scotland, Mexico and many states in the USA including Arizona, Colorado, Texas and Utah.
http://www.w3.org/ns/prov#wasQuotedFrom	gemstoneeducation.com