Assertion: fluorine | /r/HasProperty | obtained
Facets:
value: from fluorspar
type: OTHER
value: from the mineral fluorite
type: OTHER
Source sentences:
text: It is obtained by electrolyzing a solution of potassium hydrogen fluoride in anhydrous hydrogen fluoride in container of transparent fluorspar or metal.
text: Fluorine is obtained mainly from the mineral fluorite or fluorspar (calcium fluoride).