Assertion: astatine | /r/AtLocation | small amounts
Facets:
value: throughout the world
type: LOCATION
value: very
type: DEGREE
value: naturally
type: MANNER
Source sentences:
text: Astatine can be found naturally occurring in small amounts, but most of the Astatine used is synthetically produced in laboratories.
text: Astatine occurs in very small amounts throughout the world.