Assertion: antimony | /r/HasProperty | combined with sulfur
Facets:
value: in most of these minerals
type: LOCATION
value: usually
type: DEGREE
Source sentences:
text: This results from the fact that antimony is infrequently found native, but usually combined with sulfur or with heavier metals such as copper, lead and silver.
text: In most of these minerals, antimony is combined with sulfur to produce some form of antimony sulfide (Sb 2 S 3 ).