Assertion: magnesium sulfate's magnesium | /r/AtLocation | more than 60 minerals
Facets:
Source sentences:
text: Although magnesium is found in more than 60 minerals, only dolomite, magnesite, brucite, carnallite, talc, and olivine are of commercial importance.
text: Although magnesium is found in more than 60 minerals, only dolomite, magnesite, brucite, carnallite, talc, and olivine are of commercial importance.