Assertion: magnesium | /r/HasProperty | obtained in smaller quantities
Facets:
value: from brucite
type: OTHER
value: from magnesite
type: OTHER
value: from kieserite
type: LOCATION
Source sentences:
text: Magnesium is also obtained in smaller quantities from the magnesium-bearing minerals dolomite, magnesite, kieserite and brucite.