Assertion: cryolite | /r/ObjectUse | used as an aluminum ore
Facets:
value: historically
type: TEMPORAL
Source sentences:
text: Historically, cryolite was used as an aluminum ore and later in the electrolytic processing of the aluminum ore bauxite....
text: Historically, cryolite was used as an aluminum ore and later in the electrolytic processing of the aluminum ore bauxite....