Assertion: manganese | /r/HasProperty | critical mineral
Facets:
value: in america
type: LOCATION
Source sentences:
text: Manganese is a critical mineral in America and the development of new methods of beneficiation is highly desirable for our national defenses.
text: The combination of total import reliance, essential use in our industrialized society, lack of substitutes, limited sources of primary manganese ore, and the potential impact of supply disruptions has obligated the U.S. Department of Defense to declare manganese to be a Critical Mineral Resource.