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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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Latitude & Longitude (WGS84): 46° 41' 25'' North , 8° 46' 29'' East
Latitude & Longitude (decimal): 46.6902777778, 8.77472222222
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

21 valid minerals.

The above list contains all mineral locality references listed on 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 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.


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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