About: http://webisa.webdatacommons.org/225528863

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	The rock it forms is a mixture of minerals called pegmatite characterized by its large chunks or crystals.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu