Assertion: sulfur | /r/AtLocation | barite
Facets:
Source sentences:
text: Sulfur is found in many natural resources, such as mineral springs, magnesium sulfate, water, zinc blende, iron pyrites, gypsum and barite.
text: It is found in many minerals, including galena, iron pyrite, sphalerite, stibnite, cinnabar, Epsom salts, gypsum, celestite, and barite.
text: Usually found in volcanic and sedimentary deposits, sulfur is also found in pyrite, galena, gypsum and barite.