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Arzberg, Kottaun, Geras, Waldviertel, Lower Austria, Austria

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Latitude & Longitude (WGS84): 48° 49' 40'' North , 15° 40' 22'' East
Latitude & Longitude (decimal): 48.82778,15.67278
GeoHash:G#: u2eju8ud6
Köppen climate type:Cfb : Temperate oceanic climate
Name(s) in local language(s):Arzberg, Kottaun, Geras, Waldviertel, Niederösterreich, Österreich

Small magnetite mine (19th century) west of Arzberg mountain (487 m) and east of the road Kottaun-Heinrichsreith.
Magnetite-bearing pyroxenite ('Pyroxenfels'). The richest parts of the deposit contained up to 40 vol.% of magnetite.
Also some sulphide mineralisation in quartz-rich rocks.

The magnetite mineralisation is very similar to that of Pernštejn in Moravia (

NOTE: The grid reference is centered on Arzberg summit.

Mineral List

49 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

Silurian - Neoproterozoic
419.2 - 1000 Ma

ID: 3153077
Bohemian Massif (Böhmische Masse)

Age: Neoproterozoic to Silurian (419.2 - 1000 Ma)

Description: undifferentiated metamorphic

Lithology: Major:{gneiss}, Minor{mica schist,phyllite,amphibolite}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

541 - 1000 Ma

ID: 3189974
Neoproterozoic crystalline metamorphic rocks

Age: Neoproterozoic (541 - 1000 Ma)

Lithology: Paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page 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.


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- Waldmann, L. (1931): Erläuterungen zur Geologischen Spezialkarte der Republik Österreich. Blatt Drosendorf. Geologische Bundesanstalt, Wien, 1-64. []
- Redlich, Karl, A. (1931): Die Geologie der Innerösterreichischen Eisenerzlagerstätten, Prag.
- Waldmann, L. (1952): Studien über ältere Eisensteinbaue im nördlichen Waldviertel. Verh. Geol. B.-A., Sonderheft C, 49-55.
- HOLZER, H. & NEUWIRTH, K. (1962): Über den ehemaligen Eisensteinbergbau Kottaun bei Geras (Niederösterreich). Montan-Rundschau, 10 (9), 191-193.
- Němec, D. (1962): Das Vorkommen von Wismutglanz im Skarn bei Kottaun (niederösterr. Waldviertel). Anz. Österr. Akad. Wiss., math.-naturw. Kl. 99/8, 129-134.
- Němec, D. (1975): Paragenetische Analyse der regionalmetamorphen Skarne Westmährens. Chemie der Erde 34, 62-84. [with analyses of Kottaun material]
- Götzinger, M. A. (1978): Vorläufige Mitteilung über die Hauptminerale der Eisenlagerstätte Kottaun-Arzberg nördlich Geras, NÖ. Österr. Akad. Wiss., math.-naturw. Kl., Anz., 22-26.
- Götzinger, M. A. (1981): Mineralogische Untersuchungen des Magnetitvorkommens Kottaun bei Geras, niederösterreichisches Moldanubikum. Ein Beitrag zur Genese von Skarnen. Sitzungsber. Österr. Akad. Wiss., math.-naturw. Kl., 190, 45-78.
- NIEDERMAYR, G. (1989): 762. Galenit, Hemimorphit, Sphalerit und Scheelit aus dem Magnetitvorkommen von Kottaun bei Geras. Pp. 257-258 in NIEDERMAYR, G., BRANDSTÄTTER, F., KIRCHNER, E., MOSER, B. & POSTL, W. (1989): Neue Mineralfunde aus Österreich XXXVIII. Carinthia II, 179./99., 231-268.
- Götzinger, M. A., Beran, A. & Libowitzky, E. (1994): Exkursion A: Mineralvorkommen und Lagerstätten im östlichen Waldviertel. Mitt. Österr. Mineral. Ges. 139, 389-405.
- Kolitsch, U. (2013): 1815) Corkit und Plumbojarosit vom Arzberg bei Kottaun bei Geras, Waldviertel, Niederösterreich Pp. 128-129 in In Niedermayr, G. et al. (2013): Neue Mineralfunde aus Österreich LXII. Carinthia II, 203./123., 91-146.
- Kolitsch, U. (2014): 1884) Arsenopyrit, Jarosit, Mimetesit und Pyrit vom Arzberg bei Kottaun, Geras, Waldviertel, Niederösterreich. P. 119 in Niedermayr, G. et al. (2014): Neue Mineralfunde aus Österreich LXIII. Carinthia II, 204./124., 65-146.
- Kolitsch, U. (2015): 1938) Almandin, Anglesit, Bechererit(?), Brianyoungit, Chamosit, Fluorapatit, Ilmenit, Kassiterit, Segnitit, Stannit und Zirkon vom Arzberg bei Kottaun, Geras im Waldviertel, Niederösterreich. P. 250 in Niedermayr, G. et al. (2015): Neue Mineralfunde aus Österreich LXIV. Carinthia II, 205./125., 207-280.
- Kolitsch, U. (2016): 1985) Aurichalcit, teils F-reicher Edenit und Phlogopit sowie Hinsdalit und Mo-reicher Scheelit vom Arzberg bei Kottaun, Waldviertel, Niederösterreich. Pp. 229-231 in Walter, F. et al. (2016): Neue Mineralfunde aus Österreich LXV. Carinthia II, 206./126., 203-250.

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