Min. [f. (by Hisinger, 1808) Fahlun, in Sweden + -ITE.] A hydrous silicate of aluminium and iron, resulting from the alteration of iolite.
1814. T. Allan, Min. Nomen., 18. Fahlunite Kars. 112 b.
1879. Rutley, Stud. Rocks, xiv. 298. The rock contains as accessories many of the minerals which occur in chlorite-schist, in addition to which may be mentioned asbestus, hydrargillite, fahlunite, gahnite, chlorospinel, &c.
