About: http://webisa.webdatacommons.org/309556583

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 shell also contains trace amounts of various other minerals such as zinc, iron, manganese, copper, sodium, and potassium.
http://www.w3.org/ns/prov#wasQuotedFrom	compostjunkie.com