fahlband
Fahl"band`, n. Etym: [G., fr. fahl dun-colored + band a band.] (Mining) Defn: A stratum in crystalline rock, containing metallic sulphides. Raymond. Fahl"erz, Fahl"band, n. Etym: [G. fahlerz; fahl dun-colored, fallow + erz ore.] (Min.) Defn: Same as Tetrahedrite.