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Druntobel (Drun Tobel; Drun Sedrun; Krüzli valley; Kreuzli pass; Ruinas Plaunas), Sedrun, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
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
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).
Jahn, S. (2008): Der Druntobel bei Sedrun - ein weltbekannter Fundort. Mineralien-Welt, 19 (3), 42-67 (in German).
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