Assertion: cerium | /r/AtLocation | the earth's crust
Facets:
value: rarely
type: DEGREE
value: in many minerals
type: LOCATION
Source sentences:
text: Cerium is found rarely in the Earth's crust and in many minerals.
text: Cerium is an element that is found in the Earth's crust.
text: Cerium is found rarely in the Earth's crust and in many minerals.
text: Cerium is an element that is found in the Earth's crust.