About: http://webisa.webdatacommons.org/127973263

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 is said that iron and other trace elements is what creates these remarkable colors.
http://www.w3.org/ns/prov#wasQuotedFrom	gemstoneeducation.com