Assertion: cesium | /r/HasProperty | obtained
Facets:
value: directly
type: MANNER
value: primarily
type: DEGREE
value: from the mineral pollucite
type: OTHER
Source sentences:
text: Today, cesium is primarily obtained from the mineral pollucite (CsAlSi 2 O 6 ).
text: Cesium is obtained directly from pollucite by vacuum-thermal reduction, in which calcium, magnesium, aluminum, and other metals serve as the reducing agents.