Assertion: cesium | /r/HasProperty | mined
Facets:
value: from pollucite
type: LOCATION
Source sentences:
text: Caesium is mined mostly from pollucite, while the radioisotopes, especially caesium-137, a fission product, are extracted from waste produced by nuclear reactors.
text: Cesium is an alkali metal that is mined from pollucite, a zeolite mineral.
text: Caesium is mined mostly from pollucite, while the radioisotopes, especially caesium-137, a fission product, are extracted from waste produced by nuclear reactors.