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Braunite from
Sjögruvan, Grythyttan, Hällefors, Örebro County, Sweden


Locality type:Mine
Classification
Species:Braunite
Formula:Mn2+Mn63+(SiO4)O8
Habit:Grainy masses
Colour:Dark brownish black
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Braunite data
Locality Data:Click here to view Sjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
Data Identifiers
Mindat Occurrence Record ID:55624
Long-form Identifier:1:3:55624:4
GUID (UUID V4):d0ca4b46-549b-4a70-b153-5bf91650faa8
Nearest other occurrences of Braunite
22.3km (13.9 miles) Gåsgruvan Quarry, Persberg ore district, Filipstad, Värmland County, Sweden
22.3km (13.9 miles) Gåsgruvan, Gåsgruvan ore field, Persberg ore district, Filipstad, Värmland County, Sweden
22.6km (14.0 miles) Mangruvan, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
22.8km (14.2 miles) Slöjdartorp, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
23.6km (14.7 miles) Gladtjärns Mine, Nyberget ore field, Nyberget, Lindesberg, Örebro County, Sweden
28.2km (17.5 miles) Bergsråds sänkning, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
28.3km (17.6 miles) Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
28.6km (17.8 miles) Bolivia stope, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
28.7km (17.8 miles) Skottland stope, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
33.2km (20.6 miles) Jakobsberg Mine, Jakobsberg ore field, Nordmark mining district, Filipstad, Värmland County, Sweden
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Ca-kutnahorite. Oxide assemblages are dominated by braunite and hematite, with minor amounts of manganite...assemblage composed of carbonates and Mn oxides such as braunite, hausmannite and manganite makes up the bulk of...of braunite, hausmannite and hematite, as well as K\Ar dating of illite and celadonite. Braunite yielded...major element composition of carbonate minerals, braunite, hausmannite, manganite, hematite and arsenate...Selected major and trace elements were analyzed in braunite, hausmannite and hematite, as well as in different
Journal (article/letter/editorial)
deposits at Franklin, New Jersey, (Dunn 1995) and in Sweden and Norway (Långban-type deposits, Boström et al... on the other hand, are reported from Långban (Sweden), Hautes-Pyrénées, Franklin (Essene & Peacor 1987)...rhodochrosite and kutnohorite, aegirine, hematite, braunite, jacobsite, barylite, and strontian barite. The...Långban-type Mn deposits in the Långban and Sjögruvan provinces, Sweden, and at Brandsnuten, Norway (Nysten &...Fe-rich långbanite from the Nyberget deposit in Sjögruvan Province (Table 3). At Fianel, the långbanite
Journal (article/letter/editorial)
the skarn ores of Ställberg and Bastkärn (Central Sweden), the small grain size of the magnetite has been...et al. 1972a), Långban in Sweden (Magnusson 1960) and Sjögruvan in Sweden (Holtstam & Mansfeld 2001)...1984), Väster Silvberg, Sweden (Geijer & Magnusson 1944), Hällefors, Sweden (Zakrzewski & Nugteren 1984)...1984), and Hilläng and Dannemora, Sweden (Grip 1978). Small amounts of graphite in some of these ores...primarily during the process of sedimentation. In Sweden, also sulfide-free Fe-Mn skarn ores tend to be of
Report (issue)
petrographical studies on the ore bearing rocks of Central Sweden, I» [118]. I detta arbete publicerades tvenne nya...pyroxenskarn, Långban. Mikrofoto i van­ ligt ljus, X 13. [Braunite, schefferite, and rhodonite.\ Fig. 21. Braunit...pyroxenskarn, Långban. Mikrofoto i van­ ligt ljus, X 13. [Braunite, schefferite, and rhodonite.] Braunitens förhållande...[[Large hausmannite grains in a more finegrained braunite ore.] allenarådande. I dessa förhållanden ligga...porphyroblasts with polysynthetic twinning in a braunite ore. Microphoto, refl. light. The polished surface
Book (volume)
other three, are arranged from north to south. For Sweden, a general summary of the metallogeny of that country...the one that contains the iron ores of central Sweden in which the numerous ore bodies are of a few 5...countries: Ireland England Scotland 3 7 1 Wales Norway Sweden 1 7 17 Finland Poland USSR 12 2 30. These 80...and by the Directors of the Geological Surveys of Sweden and Norway. Stanislaw Dzujynsiki and Marie Sass-Gustkiewicz...lead at Glendalough and for copper in the west of County Cork. Considerable prosperity in mining continued
Book (edition)
456 . Prim .6-6-5 White Iron Pyrites, 490 . *Braunite, 438. 66 Iron Pyriles, 191. * Polymignite, 431...4: 1-4 : 3 Polymignite, (C 48–4: 9 Bournonite , Braunite, 4.845 Dark Red Silver, 57–5 9 4: 1-5 Pyrolusite... MANGANUS . Contain manganese . Hausmannite. Braunite. Psilomelane. Cupreous Manganese. Manganite. Pyrolusite...terrenus , Genus 9. Contain manganese . Hausmannite. Braunite. Psilomelane. Cupreous Manganese. Manganite. Pyrolusite...terrenus , Genus 9. Contain manganese . Hausmannite. Braunite. Psilomelane. Cupreous Manganese. Manganite. Pyrolusite
 
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