About: http://webisa.webdatacommons.org/353361540

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	As these intrusions cooled, rare minerals such as lithium, boron, beryllium and manganese concentrated in pockets, allowing the formation of gem crystals such as tourmaline, topaz, emerald and aquamarine.
http://www.w3.org/ns/prov#wasQuotedFrom	rwwise.com