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Biotite from
Slöjdartorp, Nyberget ore field, Lindesberg, Örebro County, Sweden

Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:Koark, H. (1970): Zur Geologie des Neuentdeckten Jakobsit-Braunit-Hämatit-Mangansilikatlagers Slöjdartorp im Nybergetfelde in Zentralschweden. Geologiska Föreningen i Stockholm Förhandlingar (GFF). 92, 388-401
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Slöjdartorp, Nyberget ore field, Lindesberg, Örebro County, Sweden
Nearest other occurrences of Biotite
0.5km (0.3 miles) Mangruvan, Nyberget ore field, Lindesberg, Örebro County, Sweden
4.9km (3.1 miles) Silverberget, Järnboås, Nora, Örebro County, Sweden
7.4km (4.6 miles) Stripa ore field, Lindesberg, Örebro County, Sweden
11.6km (7.2 miles) Håkansboda, Lindesberg, Örebro County, Sweden
14.8km (9.2 miles) Rökärrs Mine, Timansberg, Nora, Örebro County, Sweden
17.3km (10.8 miles) Killingberget, Hällefors, Örebro County, Sweden
18.6km (11.5 miles) Långbocken mine, Nora, Örebro County, Sweden
22.8km (14.2 miles) Sjögruvan, Grythyttan, Hällefors, Örebro County, Sweden
24.0km (14.9 miles) Åsboberg Mine, Striberg ore field, Nora, Örebro County, Sweden
28.0km (17.4 miles) Skärhyttan, Rockesholm, Nora, Örebro County, Sweden
 
Mineral and/or Locality  
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