Assertion: manganese | /r/HasProperty | found as free element
Facets:
value: on earth
type: LOCATION
value: in nature
type: LOCATION
value: in many minerals
type: LOCATION
Source sentences:
text: It is found as a free element in nature, and in many minerals.
text: Manganese is a metal that can be found in its free form on Earth, often combined with iron, as well as in many minerals.