Assertion: apatite | /r/ObjectUse | used as a phosphorus source
Facets:
value: chiefly
type: DEGREE
value: for the manufacture of fertilizers
type: PURPOSE
Source sentences:
text: As a mineral, apatite is chiefly used as a phosphorus source for the manufacture of fertilizers.
text: As a mineral, apatite is chiefly used as a phosphorus source for the manufacture of fertilizers.