About: http://webisa.webdatacommons.org/80467853

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	Strictly speaking we have had 'transparent aluminum' around for quite some time already.Good old sapphire glass, aka the synthetic sapphire that you see in high-end wrist-watches and the like, is an aluminum oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	dailytech.com