About: http://webisa.webdatacommons.org/278685591

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	It is a mixture of small metal chips and one or more quartz crystals with a matrix of polyester or another shrinking potting compound such as epoxy.
http://www.w3.org/ns/prov#wasQuotedFrom	friendly-ghosts.com