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Biotite from
Sætre, Hurum, Buskerud, Norway

Locality type:Village
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:Nordrum, F.S. (2002): Nyfunn av mineraler i Norge 2001-2002. Norsk Bergverksmuseum Skrift. 20: 78-83
Associated Minerals Based on Photo Data:
Orthoclase1 photo of Biotite associated with Orthoclase at this locality.
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Sætre, Hurum, Buskerud, Norway
Nearest other occurrences of Biotite
8.9km (5.5 miles) Juve Quarry, Svelvik, Vestfold, Norway
15.9km (9.9 miles) Vardåsen Tunnel, Asker, Akershus, Norway
16.2km (10.0 miles) Blindevann, Sande, Vestfold, Norway
18.6km (11.6 miles) Kjenner Bismuth Mine, Lierskogen, Lier, Buskerud, Norway
19.7km (12.2 miles) Nordre Jarlsberg Brygge, Selvik, Sande, Vestfold, Norway
25.2km (15.7 miles) Narverud Mines, Nedre Eiker, Buskerud, Norway
25.2km (15.7 miles) Nikkerud Mines, Nedre Eiker, Buskerud, Norway
25.7km (16.0 miles) Dalemyr Mine (Treholt Mine), Dalemyr Mines, Nedre Eiker, Buskerud, Norway
28.5km (17.7 miles) Batteriet, Nedre Eiker Church, Nedre Eiker, Buskerud, Norway
35.2km (21.9 miles) Shore of Eikeren, Hamre, Øvre Eiker, Buskerud, Norway
 
Mineral and/or Locality  
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