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Sjögruvan Mine, Grythyttan, Hällefors, Västmanland, Sweden
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Arseniopleite
Sjögruvan Mine, Grythyttan, Hällefors, Västmanland, Sweden

Photo: Pavel M. Kartashov
Latitude: 59°50'N
Longitude: 15°32'E
 
Name(s) in local language(s): Sjögruvan, Grythyttan, Hällefors, Västmanland, Sverige
 
Note on the name: the name Sjögruvan being a proper name and thus should not be translated into the English Sjö mine.


The Sjögruvan Mine worked on a minor deposit. The paragenesis is of the Långban type. The mine is located on the southern shore of the lake Halvtron about 5 km southeast of the small village Grythyttan.

Operations began as early as 1643, and it was mentioned in official records in 1673 and 1698. It was stated in 1697 that the mine was 4.5 meters deep, "but the mineralisation is flooded by the lake so it is not possible to use." The mine was mentioned once more during the 18th century, but was abandoned completely until it was reopened by L. J. Igelström in the 1860s, who operated it mainly due to the rare minerals he discovered there.

During the years 1886-1889, the mine produced 303,000 kg of manganese ore and 85,000 kg of iron ore. The mine was 16 meters deep when it was abandoned. The ores where found in a dolomitic carbonate rock, the iron ore was mainly hematite, and the manganese ore was composed of hausmannite, braunite and rhodonite.

Formerly in Örebro County.

Mineral List

Albite
Allactite
Andradite
Arseniopleite (TL)
Banalsite
Barysilite
Baryte
'Basiliite'
Bementite
Berzeliite
'Biotite
var: Manganophyllite'

Braunite
Bustamite
Calcite
Caryinite
'Chloroarsenian'
'Chondrostibian'
Diopside
var: Schefferite
Dolomite
Feitknechtite
Ferri-winchite
Fluorite
Friedelite
Ganophyllite
Hausmannite
Hedyphane
Hematite
'Hyalophane'
Inesite
Ingersonite
Jacobsite
Katoptrite
Kutnohorite
'Lamprostibian'
Långbanite
Lead
Magnetite
'Magnetostibian'
Malachite
Manganberzeliite
'Melanostibian'
Melanostibite (TL)
Neotocite
Örebroite (TL)
Orthoclase
Piemontite
'Pleurasite'
Plumboferrite ?
Pyrochroite
Pyroxmangite
Rhodochrosite
Rhodonite
Richterite
'Roméite Group'
Sarkinite
var: Xanthoarsenite
Scheelite
Sillimanite
'Sjogruvite'
Spessartine
Sphalerite
'Stibiatil'
Talc
Tephroite
Tilasite
Welinite


67 entries listed. 53 valid minerals. 3 type localities (valid minerals).

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

- Igelström, L.J. (1886): Polyarsenit och hæmatostibiit. Geologiska Föreningen i Stockholm Förhandlingar 8: 179-181 [on sarkinite and katoprite from Sjögruvan]

- Igelström, L.J. (1886): Mineralogiska meddelanden. 4. Braunit från Sjögrufvan, Grythytte socken, Örebro län. Geologiska Föreningens i Stockholm Förhandlingar 8: 477

- Igelström, L. J. (1888): Arseniopleit, ein neues mineral von der hausmannit- und braunitgrube Sjögrufvan, Kirchspiel Grythyttan, Gouvernement Oerebro, Schweden. Neues Jahrbuch für Mineralogie, Geologie und Palaontologie. 2, 117-122

- Igelström, L. J. (1893): Melanostibian, ein neues mineral von der Manganerzgrube Sjögrufvan, Kirchspiel Grythyttan, Gouvernement Örebro, Schweden. Zeitschrift für Krystallographie und Mineralogie. 21, 246-248

- Igelström, L.J. (1893): Mineralogiska meddelanden. 20. Nya mineral från Sjögrufvan. Geologiska Föreningens i Stockholm. Förhandlinger. 15: 471-472.

- Sundius, N (1923) Grythyttefältets geologi. SGU ser C 312.

- Tegengren, F.R. (1924) Sveriges ädlare malmer och bergverk. SGU ser Ca 17.

- Geijer, P. and Magnusson, N.H. (1944) De mellansvenska järnmalmernas geologi. SGU ser Ca 35.

- Palache, C., Berman, H. & Frondel, C. (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, 7th. edition, Volume I: 640.

- Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 844, 845, 857, 1025, 1030, 1041.

- Moore, P.B. (1970) Mineralogy and Chemistry of Långban-type Deposits in Bergslagen, Sweden. Mineralogical Record: 1: 4.

- Moore, P. B. (1972) Contributions to the mineralogy of Sweden. III. On Igelström's manganese arsenates and antimonates from the Sjö Mine, Grythyttan, Örebro County, Sweden. GFF 94 (3), 423-434.

- Wilke, H-J (1976) Mineralfundstellen in Skandinavien. München.

- Dunn, P. J., Peacor, D. R., Erd, R. C. & Ramik, R. A. (1986): Franciscanite and örebroite, two new minerals from California and Sweden, related to redefined welinite. American Mineralogist. 71, 1522-1526

- Holtstam, D. (2001): W and V mineralization in Långban- type Fe-Mn deposits: Epigenetic or Syngenetic? Geologiske Föreningen i Stockholm Förhandlingar 123, 29-33.

- Fontan, F.; Holtstam, D.; de Parseval, P.; Permingeat, F. and Mason, B. (2004): Elfstorpite synonymy with allactite; mineral and name discredited. Mineralogical Magazine 68, 523-526.

- Mineralium Deposita: 36(7): 641-657.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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