Assertion: antimony | /r/AtLocation | free
Facets:
value: in nature
type: LOCATION
value: sometimes
type: TEMPORAL
Source sentences:
text: It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3 ) and valentinite (Sb 2 O 3 ).
text: Antimony is sometimes found as the free element, but more usually as antimony sulphide (Sb 2 S 3 , stibnite).
text: It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb 2 S 3 ) and valentinite (Sb 2 O 3 ).
text: It can sometimes be found free in nature but is usually obtained from the minerals stibnite and valentinite.
text: Antimony can be found free in nature, it is usually derived from the ores stibnite (Sb 2 S 3 ) and valentinite (Sb 2 O 3 ).
text: It is sometimes found free in nature, but is usually obtained from the ores stibnite (Sb2S3) and valentinite (Sb2O3).