About: http://webisa.webdatacommons.org/46138296

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	Carbon is a very light element, with a density of about 2.3 g/cc and its stiffness is considerable higher than glass.
http://www.w3.org/ns/prov#wasQuotedFrom	nde-ed.org