'Fahlunite' definitions:

Definition of 'Fahlunite'

From: GCIDE
  • Fahlunite \Fah"lun*ite\ (f[aum]"l[u^]n*[imac]t), n. [From Fahlun, a place in Sweden.] (Min.) A hydrated silica of alumina, resulting from the alteration of iolite. [1913 Webster]