About: http://webisa.webdatacommons.org/321684836

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	Petrographic microscopes well known as polarizing microscopes are the best tools used in geology especially in the study of minerals and rocks.
http://www.w3.org/ns/prov#wasQuotedFrom	petrographicmicroscopes.com