About: http://webisa.webdatacommons.org/137860094

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	Their color derives from flaws in the gem???s carbon structure: some of the carbon atoms have been replaced by an element, such as boron, that emits or absorbs a specific color of light.
http://www.w3.org/ns/prov#wasQuotedFrom	pressreleasepoint.com