About: http://webisa.webdatacommons.org/393060253

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	Here is dome information about the composition of Diatomaceous Earth: 33% silicon, 3% magnesium, 19% calcium, 2% iron 5% sodium and many other trace minerals such as copper, manganese, zirconium, boron and titanium.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceray.com