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Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland
This page kindly sponsored by Rob Woodside

Photo: D. Preite
Latitude: 46°21'54"N
Longitude: 8°13'16"E
 
Name(s) in local language(s): Grube Lengenbach, Im Feld (Imfeld; Feld; Fäld), Binntal, Wallis (Valais), Schweiz (Suisse; Svizzera)
 
World famous metamorphosed sulphosalt/sulphide deposit in sugary dolomite. Mined (in summer only) for specimens.

For news on the current state of research, see the official website of the Research Community Lengenbach (FGL, Forschungsgemeinschaft Lengenbach), http://fglb.clubdesk.ch/www.

Located about 1 km southeast of Fäld.

Mineral List

Acanthite
Albite
Anatase
Anglesite
'Apatite'
Aragonite
Arsenic
'Arsenic Sulphide Glass No. 1'
Arsenolamprite
Arsenolite
Arsenopyrite
Baileychlore
Baryte
Baumhauerite (TL)
Baumhauerite-2a (TL)
Bernardite
Beryl
'Biotite'
Bornite
Brannerite
'Cadmoxite' (TL)
Calcite
Canfieldite
var: Tellurian Canfieldite

Cerussite
Chalcopyrite
Chrysocolla
Cinnabar
Clinozoisite
Coloradoite
Coronadite
Coulsonite
Covellite
Cuprite
Dalnegroite (TL)
Debattistiite (TL)
Dervillite
Dickite
Dolomite
Dravite
Dufrénoysite (TL)
Edenharterite (TL)
Enargite
Epsomite
Erniggliite (TL)
Fluorapatite
Fluorite
Freibergite
Gabrielite (TL)
Galena
Goethite
Gold
Gorceixite
'Gorceixite-Goyazite Series'
Goyazite
Graphite
Greenockite
Greigite
Halite
Hatchite (TL)
Hemimorphite
Hexahydrite
Hörnesite
Hutchinsonite (TL)
'Hyalophane' (TL)
Hydrocerussite
Hydrozincite
Imhofite (TL)
Jentschite (TL)
Jordanite (TL)
Kaolinite
Kësterite
'K Feldspar
var: Adularia'

Lengenbachite (TL)
Lepidocrocite
Liveingite (TL)
Lorándite
Mackinawite ?
Magnesite
Magnetite
Malachite
Marcasite
Marrite (TL)
Marumoite (TL)
Metanováčekite
Mimetite
Molybdenite
Montmorillonite
Muscovite
var: Barian Muscovite
var: Fuchsite
Nolanite
Nowackiite (TL)
Orpiment
Paragonite
Parapierrotite
Pararealgar
Pearceite
Philrothite (TL)
Phlogopite
Polybasite
Proustite
Pyrargyrite
Pyrite
Pyrrhotite
Quadratite (TL)
Quartz
Raberite (TL)
Rathite (TL)
Realgar
Rosasite
Rutile
Sartorite (TL)
'Scapolite'
Seligmannite (TL)
Sicherite (TL)
Silver
Sinnerite (TL)
'Smectite Group'
Smithite (TL)
Smythite
Spaltiite (TL)
Sphalerite
Stalderite (TL)
Stephanite
Struvite-(K) (TL)
Sulphur
Sylvite
Tennantite
Tetrahedrite
Thalcusite
'Thorogummite'
Tochilinite
Trechmannite (TL)
Uraninite
'Uvite'
Wallisite (TL)
Weissbergite
Wulfenite
Wurtzite
Xanthoconite
Xenotime-(Y)


141 entries listed. 126 valid minerals. 32 type localities (valid minerals). 1 type locality (other). 3 erroneous literature entries.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Guisca (1930) Schweiz. min. Mitt.: 10: 152

Bader (1934), Schweiz. min. Mitt.: 14: 319.

Niggli, Koenigsberger, and Parker (1940): 1: 251.

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.

Rocks & Minerals: 64: 9.

Laroussi, A., Moëlo, Y., Ohnenstetter, D., Ginderow, D. (1989): Argent et thallium dans les sulfosels de la série de la sartorite (Gisement de Lengenbach, vallée de Binn, Suisse). Comptes Rendus de l'Académie des Sciences, Série II, 308, 927-933.

Preite, D., Tabacchi C. (1989): I minerali di Lengenbach in Valle di Binn (CH). Rivista Mineralogica Italiana, 12(3), 139-150.

Graeser, S. & Guggenheim, R. (1990): Brannerite from Lengenbach, Binntal (Switzerland). Schweizerische mineralogische und petrographische Mitteilungen 70, 325-331.

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. & Knill, M. D. (1996): Neue Erkenntnisse über die Entstehung der Minerallagerstätte Lengenbach im Binntal (VS). - Schweizer Strahler 11 (XXXI) (2), 68-77.

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.

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.

Guastoni A., Merlini M., De Battisti L. (2004). Hutchinsonite ricca in antimonio di Lengenbach (Valle di Binn, Svizzera). Riv. Miner. Ital., 3: 167.

Lapis (2004) 29 (6).

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.

Graeser, S., Cannon, R., Drechsler, E., Raber, T. and Roth, P., Eds. (2008): Faszination Lengenbach. Abbau – Forschung – Mineralien 1958-2008. Chr. Weise Verlag, Munich, 192 pp. (in German)

Guastoni, A., De Battisti, L. (2009). Pearceite. Primo ritrovamento a Lengenbach, Valle di Binn, Svizzera. Rivista Mineralogica Italiana, 33 (3), 202-203.

Graeser, S. (2011): Die Wurtzite vom Lengenbach - Polymorphie und Polytypie. Schweizer Strahler 45, 16-24. [-2H and -4H polytypes]

Preite, D., Ciriotti, M., Bonacina, E. (2011): Les minéraux du Lengenbach, vallée de Binn, Valais, Suisse. Le Cahier Des Micromounteurs, No. 2/2011, 14-29.

Raber, T. (2011): Chromhaltige Turmaline aus dem Lengenbach. Schweizer Strahler 45 (4), 2-5.

Bindi, L., Nestola, F., Guastoni, A., Zorzi, F., Peruzzo, L., Raber, T. (2012): Tellurian canfieldite, Ag8Sn(S,Te)6, from Lengenbach quarry, Binntal, Canton Valais, Switzerland: occurrence, description and crystal structure. Canadian Mineralogist, 50, 111-118.

Cannon, R. & Raber, T. (2012): Neu vom Lengenbach 2011: Eine sensationelle Lengenbachit-Stufe und "klassische" Sulfosalze. Lapis. 37 (1): 19-23.

Müller, F. (2012): Geochemische Untersuchungen an Fluideinschlüssen in Kluftquarzkristallen aus den Metadolomiten des Binntales, Kanton Wallis, Schweiz. Master Thesis, University Basel, Switzerland, 78 pp.

Raber, T. (2013): Pearceit-Polybasit-Mischkristalle. Schweizer Strahler 47 (3), 31-32 (in German and French).

Raber, T. & Roth, P. (2014): Tellur-reicher Canfieldit. Schweizer Strahler 48 (1), 34-35.

External Links

http://binn.strahlen.org/ ("All localities for minerals in the Binntal with detailed description")

http://www.lengenbach.com/ (Dormant, non-official website of the quarry)

http://fglb.clubdesk.ch/clubdesk/www (Official website of the Research Community Lengenbach (FGL, "Forschungsgemeinschaft Lengenbach"))

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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