About: http://webisa.webdatacommons.org/280657435

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	The stones used are usually silicates, including agates, alabaster, amethyst, jade, jasper, lapis lazuli, malachite, onyx, and topaz.
http://www.w3.org/ns/prov#wasQuotedFrom	goantiques.com