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Strömshult Mines, Tunaberg, Nyköping, Södermanland, Sweden

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 58° 55' 33'' North , 18° 13' 55'' East (est.)
Margin of Error:~0km
Name(s) in local language(s):Strömshultsgruvorna
Other regions containing this locality:Scandinavia

The term "Eulysite" was introduced by A. Erdmann (1848) for rocks containing pyroxene, garnet, and olivine. Palmgren (1917) showed that these rocks basically are the same skarn as the Mn-rich iron ores in the middle of Sweden with two differences: much lower grades of magnetite and higher metamorphic level.
The typical ores of this type mined held 6-12% Mn and 24-33% Fe.

Mineral List

9 valid minerals.

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.


Erdmann, A. (1848) Försök till en geognostisk-mineralogisk beskrifning öfver Tunabergs socken i Södermanland, med särskildt afseende på der belägna grufvor. Kongl. Vetenskaps-Akademiens Förhandlingar. 1-94.

Palmgren, J. (1917) Die Eulysite von Södermanland. Bull. of the Geol. Inst. of Uppsala. Vol XIV.

Sundius, N. (1932) Uber den sogenannten Eisenanthophyllit der Eulysite. Årsbok, Sveriges Geol. Undersökning, vol. 26, no. 2 [M.A. 6-118].

Henry, N.F.M. (1935) Some data on the iron-rich hypersthenes. Mineralogical Magazine, vol. 24, 221-226.

Geijer, P. and Magnusson, N.H. (1944) De mellansvenska järnmalmernas geologi SGU ser Ca35 (in Swedish).

Magnusson, N.H. (1973) Malm i Sverige 1. Almqvist & Wiksell ISBN 91-20-05545-5.

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