Assertion: bismuth's sulfide | /r/HasProperty | bi 2 s
Facets:
Source sentences:
text: Its naturally occurring compounds are chiefly the oxide (bismite or bismuth ochre, Bi 2 O 3 ), the sulfide (bismuthinite or bismuth glance, Bi 2 S 3 ), and two carbonates (bismutite, (BiO) 2 CO 3 , and bismutosphaerite).
text: Bismuth is found in elemental form or as the sulfide Bi 2 S 3 (bismuthinite) or oxide Bi 2 O 3 .