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Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas), Sedrun, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
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Photo: aca
Latitude: 46°41'25"N
Longitude: 8°46'29"E
 
Name(s) in local language(s): Druntobel (Drun Tobel; Drun Sedrun; Krüzlital; Krüzlithal; Kreuzlipass; Ruinas Plaunas), Sedrun, Tujetsch (Tavetsch), Vorderrheintal, Graubünden (Grisons; Grischun), Schweiz (Suisse; Svizzera)
 
A narrow and steep erosion gorge north of Sedrun, which leads up to the locality "Cuolm da Vi".
Clefts in amphibolite and gneiss.

The type locality of "Sphene" (Hauy, 1801).


NOTE: The grid reference is centered on the area.

Mineral List

Actinolite
Albite
Anatase
'Apatite'
Brookite
Calcite
'Chabazite'
Chalcopyrite
'Chlorite Group'
Epidote
Galena
Gypsum
Heulandite-Ca
'K Feldspar
var: Adularia'

Laumontite
Milarite
Monazite-(Ce)
Phenakite
Pyrite
Quartz
var: Smoky Quartz
Rutile
Sphalerite
Stilbite-Ca
Titanite
Wulfenite


26 entries listed. 21 valid minerals.

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References

Weibel, M. (1957): Über Titanit von Graubünden. Untersuchungen an Kristallen von der Muotta Naira und vom Tobel Drun. Contributions to Mineralogy and Petrology 5, 373-378 (in German).

Jahn, S. (2008): Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt, 19 (3), 42-67 (in German).

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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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