fahlband

from The Collaborative International Dictionary of English v.0.48

Fahlerz \Fahl"erz\, Fahlband \Fahl"band\, n. [G. fahlerz; fahl
   dun-colored, fallow + erz ore.] (Min.)
   Same as {Tetrahedrite}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Fahlband \Fahl"band`\, n. [G., fr. fahl dun-colored + band a
   band.] (Mining)
   A stratum in crystalline rock, containing metallic sulphides.
   --Raymond. Fahlerz

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