Assertion: antimony | /r/MadeOf | stibnite
Facets:
value: by heating it
type: MANNER
Source sentences:
text: Antimony is made from stibnite by heating it with air.
text: Antimony is made from stibnite by heating it with air.
text: Antimony is made from stibnite by heating it with air.
text: Antimony is made from stibnite by heating it with air.