Assertion: metal's form | /r/HasProperty | impure
Facets:
value: grossly
type: DEGREE
Source sentences:
text: Ferrosilicon production and use is a monitor of the steel industry, and although this form of elemental silicon is grossly impure, it accounts for 80% of the world's use of free silicon.
text: Zirconium metal was first obtained in an impure form in 1824 by Berzelius by heating a mixture of potassium and potassium zirconium fluoride in an iron tube.