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Biotite from
Idkerberget, Stora Tuna, Borlänge, Dalarna County, Sweden


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 Idkerberget, Stora Tuna, Borlänge, Dalarna County, Sweden
Data Identifiers
Mindat Occurrence Record ID:768498
Long-form Identifier:1:3:768498:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.9km (9.2 miles) ⓘKäppelbo Mine, Öster Silvberg mining district, Säter, Dalarna County, Sweden
17.2km (10.7 miles) ⓘGumsberg project, Öster Silvberg mining district, Säter, Dalarna County, Sweden
17.7km (11.0 miles) ⓘDalskarlbo Mine, Öster Silvberg mining district, Säter, Dalarna County, Sweden
19.8km (12.3 miles) ⓘKällgruvan, Öster Silvberg Mines, Öster Silvberg mining district, Säter, Dalarna County, Sweden
19.9km (12.3 miles) ⓘStor Mine, Öster Silvberg Mines, Öster Silvberg mining district, Säter, Dalarna County, Sweden
20.1km (12.5 miles) ⓘHerrgård Mine, Öster Silvberg mining district, Säter, Dalarna County, Sweden
20.3km (12.6 miles) ⓘÖster Silvberg Mines, Öster Silvberg mining district, Säter, Dalarna County, Sweden
20.3km (12.6 miles) ⓘRista, Mockfjärd, Gagnef, Dalarna County, Sweden
21.5km (13.4 miles) ⓘStollberg orefield, Väster Silvberg, Smedjebacken, Dalarna County, Sweden
32.1km (20.0 miles) ⓘFalun mine, Falun, Dalarna County, Sweden
References
Geijer, Per, Magnusson, Nils Harald (1944) De mellansvenska järnmalmernas geologi [The geology of the middle Swedish iron ores]. Avhandlingar och uppsatser. Serie Ca 35. P.A. Norstedt & söner
 
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