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Lengenbach Quarry, Im Feld (Imfeld; Feld; Fäld), Binn Valley, Wallis (Valais), Switzerland

(Grube Lengenbach, Im Feld (Imfeld; Feld; Fäld), Binntal, Wallis (Valais), Schweiz (Suisse; Svizzera))

World famous metamorphosed sulphosalt/sulphide deposit in sugary dolomite. Mined for specimens (for current situation see website below). Located about 1 km southeast of Im Feld.

Refs.:
- Guisca (1930) Schweiz. min. Mitt.: 10: 152
- Bader (1934), Schweiz. min. Mitt.: 14: 319.
- Niggli, Koenigsberger, and Parker (1940): 1: 251.
- Rocks & Minerals: 64: 9.
- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 834.
- Graeser, St. (1965): Die Mineralfunde im Dolomit des Binnatales. - Schweiz. Miner. Petrogr. Mitt., 45, 597-795.
- Mineralogical Record (1977): 8(4): 272-286.
- Preite, D., Tabacchi C. (1989): I minerali di Lengenbach in Valle di Binn (CH). Rivista Mineralogica Italiana, 12(3), 139-150.
- Graeser, S., Schwander, H., Wulf, R., Edenharter, A. (1992). Erniggliite (Tl2 SnAs2 S6), a new mineral from Lengenbach, Binntal (Switzerland): description and crystal structure determination based on data from synchrotron radiation. Schweiz. Mineral. Petrogr. Mitt., 72: 293-305.
- Hofmann, B. A. (1994): Formation of a sulfide melt during Alpine metamorphism of the Lengenbach polymetallic sulfide mineralization, Binntal, Switzerland. - Mineral. Deposita, 29, 439-42.
- Hofmann, B. A. & Knill, M. D. (1996): Geochemistry and genesis of the Lengenbach Pb-Zn-As-Tl-Ba-mineralisation, Binn Valley, Switzerland. Mineral. Deposita, 31, 319-39.
- HOFMANN, B. & KNILL, M. D. (1996): Neue Erkenntnisse über die Entstehung der Minerallagerstätte Lengenbach im Binntal (VS). - Schweizer Strahler 11 (XXXI) (2), 68-77.
- KNILL, M. (1996): The Pb-Zn-As-Tl-Ba-deposit at Lengenbach, Binn Valley, Switzerland. - Beiträge zur Geologie der Schweiz, Geotechnische Serie 90; Hrsg.: Schweizerische Geotechnische Kommission, 74 pp.
- Lapis (2004) 29 (6).
- Guastoni A., Merlini M., De Battisti L. (2004). Hutchinsonite ricca in antimonio di Lengenbach (Valle di Binn, Svizzera). Riv. Miner. Ital., 3: 167.
- Guastoni A., De Battisti L. (2005). Eccezionale ritrovamento di ernigglite a Lengenbach, Valle di Binn, Svizzera. Riv. Mineral. Ital., 29, 1: 54-55.
- Guastoni, A., & De Battisti, L. (2006). Thalcusite. Un altro minerale di tallio scoperto a Lengenbach, Valle di Binn, Svizzera. Rivista Mineralogica Italiana, 30 (1), 54-55.

- http://www.grube-lengenbach.ch/ (in German)
- http://www.grube-lengenbach.ch/Literatur/literatur.html
- http://binn.strahlen.org/ ("All localities for minerals in the Binntal with detailed description")





Map Reference: 46°21'54"N , 8°13'16"E

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Mineral List:
  • Acanthite
  • Albite
  • Anatase
  • Anglesite
  • 'Apatite'
  • Aragonite
  • Arsenic
  • Arsenic Sulphide Glass
  • Arsenolamprite
  • Arsenolite
  • Arsenopyrite
  • Baileychlore
  • Baryte
  • Baumhauerite (TL)
  • Baumhauerite-2a (TL)
  • Bernardite
  • Biotite
  • Bornite
  • Brannerite
  • Calcite
  • Cerussite
  • Chalcopyrite
  • Coulsonite
  • Dickite
  • Dolomite
  • Dravite
  • Dufrénoysite (TL)
  • Edenharterite (TL)
  • Enargite
  • Erniggliite (TL)
  • Fluorite
  • Gabrielite (TL)
  • Galena
  • Goethite
  • Gorceixite
  • Goyazite
  • Graphite
  • Greigite
  • Halite
  • Hatchite (TL)
  • Hemimorphite
  • Hutchinsonite (TL)
  • Hyalophane
  • Hydrozincite
  • Imhofite (TL)
  • Jentschite (TL)
  • Jordanite (TL)
  • Kaolinite
  • Lengenbachite (TL)
  • Lepidocrocite
  • Liveingite (TL)
  • Lorándite
  • Mackinawite ?
  • Magnesite
  • Magnetite
  • Malachite
  • Marcasite
  • 'Marialite-Meionite Series'
  • Marrite (TL)
  • Marumoite (TL)
  • Mimetite
  • Molybdenite
  • Montmorillonite
  • Muscovite
       var: Barian Muscovite
       var: Fuchsite
  • Nolanite
  • Nowackiite (TL)
  • Orpiment
  • Orthoclase
    var: Adularia
  • Paragonite
  • Pararealgar
  • Phlogopite
  • Proustite
  • Pyrargyrite
  • Pyrite
  • Pyrrhotite
  • Quadratite (TL)
  • Quartz
  • Rathite (TL)
  • Realgar
  • Rutile
  • Sartorite (TL)
  • Seligmannite (TL)
  • Sicherite (TL)
  • Silver
  • Sinnerite (TL)
  • Smithite (TL)
  • Smythite
  • Sphalerite
  • Stalderite (TL)
  • Stephanite
  • Struvite-K (TL)
  • Tennantite
  • Tetrahedrite
  • Thalcusite
  • Trechmannite (TL)
  • Uraninite
  • Uvite
  • Wallisite (TL)
  • Wulfenite
  • Wurtzite
  • Xanthoconite
  • Xenotime-(Y)


    104 entries listed. 96 valid minerals. 27 type localities (valid minerals).

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