About: http://webisa.webdatacommons.org/391592326

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	O.sub.5, Mg.sub.3 B.sub.2 O.sub.6, Mg.sub.2 TiO.sub.4, Mg.sub.2 SiO.sub.4 and other crystals having a high Q factor.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com