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Biotite from
Åna-Sira, Flekkefjord, Agder, Norway


Locality type:Outcrop
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Åna-Sira, Flekkefjord, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:627679
Long-form Identifier:1:3:627679:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
5.7km (3.6 miles) ⓘTellnes Mines, Sokndal, Rogaland, Norway
9.1km (5.7 miles) ⓘHelle feldspar quarry, Hidra, Flekkefjord, Agder, Norway
9.7km (6.0 miles) ⓘUrstad Feldspar Mine, Hidra, Flekkefjord, Agder, Norway
10.5km (6.5 miles) ⓘIgletjødn Feldspar Quarry (Igletjern), Hæstad, Hidra, Flekkefjord, Agder, Norway
10.6km (6.6 miles) ⓘMæåsen (Medåsen), Hæstad, Hidra, Flekkefjord, Agder, Norway
10.7km (6.6 miles) ⓘStorgangen Ilmenite Mine, Sokndal, Rogaland, Norway
11.0km (6.8 miles) ⓘVeisdal feldspar quarry, Hidra, Flekkefjord, Agder, Norway
11.1km (6.9 miles) ⓘSlådelslia, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway
11.2km (7.0 miles) ⓘReseraua, Rasvåg feldspar mines, Hidra, Flekkefjord, Agder, Norway
21.7km (13.5 miles) ⓘFeda, Kvinesdal, Agder, Norway
References
Barton, Michael, van Bergen, Manfred J. (1984) Secondary ilvaite in a dolerite dyke from Rogaland, SW Norway. Mineralogical Magazine, 48 (348) 449-456 doi:10.1180/minmag.1984.048.348.17
 
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