Fahlore

Fahlore, or Fahlerz, refers to an ore consisting of complex sulfosalts, mostly the series between tennantite (Cu
6[Cu
4(Fe,Zn)
2]As
4S
13 and tetrahedrite (Cu
6[Cu
4(Fe,Zn)
2]Sb
4S
13. It comes from the German word for pale, fahl. This refers to the characteristic pale grey to dark black colour.[1][2]

Fahlore from Dillenburg, Nassau, Germany. This piece is from the mineralogical museum in Bonn, Germany.

References
  1. 1895-, Lüschen, Hans (1979). Die Namen der Steine : das Mineralreich im Spiegel der Sprache : mit einem Wörterbuch, enthaltend über 1300 Namen von Mineralien, Gesteinen, Edelsteinen, Fabel- und Zaubersteinen (2., neubearb. und erw. Aufl ed.). Thun: Ott. ISBN 3722562651. OCLC 6356236.CS1 maint: numeric names: authors list (link)
  2. "Tennantite-Tetrahedrite Series: Tennantite-Tetrahedrite Series mineral information and data". www.mindat.org. Retrieved 2018-02-19.


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