About: http://webisa.webdatacommons.org/406272897

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	They do not have to be adamantium or vibranium, those were just examples of materials known to be incredibly durable but not heavy.
http://www.w3.org/ns/prov#wasQuotedFrom	comicvine.com