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Ruina Cotschna, Piz Mundin (Piz Mondin), Tschlin (Schleins), Engadin, Grischun (Grisons; Graubünden), Switzerland

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Name(s) in local language(s): Ruina Cotschna, Piz Mundin, Tschlin, Engadin, Graubünden (Grisons; Grischun), Schweiz (Suisse; Svizzera)
Ruina Cotschna (literally "red rust") is a side peak, north of Piz Mundin, on the southern side of the Samnaun Valley, on the territory of the Tschlin (German: Schleins) community.
Five adits are the testimony of an old (19th century) Fe-Cu mining activity. The nice axinite-(Fe) specimens (with epidote and actinolite) originate from the green schist host rock.

Mineral List

13 entries listed. 12 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.


- Krähenbüghl H. (1982): Die Eisen- und Kupferkieslager der Nordseite des Piz Mondin im Unterengadin. Bergknappe 22, 2-5.
- Lareida S. (1985): Axinitfund Im Samnaun. Schweizer Strahler 7(4), 192-197.

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