About: http://webisa.webdatacommons.org/436659352

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	This is because bones consist mainly of calcium, magnesium, and phosphate but also contain silica, which is essential for the deposition of minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	naturalsilica.com