About: http://webisa.webdatacommons.org/274823329

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	It also impregnates slates and other sedimentary rocks, schists and altered igneous rocks where, in some cases, it is a contact deposit and in others is original.
http://www.w3.org/ns/prov#wasQuotedFrom	nevada-outback-gems.com