Assertion: bismuth | /r/AtLocation | nature
Facets:
value: rarely
type: DEGREE
value: in its elemental form
type: OTHER
Source sentences:
text: In addition to occurring in various minerals, bismuth also can be found in pure form in nature.
text: Bismuth is rarely found in nature in its elemental form.
text: Bismuth is usually found in the uncombined form in nature.