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Biotite from
Grågalten Mine, Sigdal Nikkelværk, Sigdal, Buskerud, Norway


Locality type:Mine
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 Grågalten Mine, Sigdal Nikkelværk, Sigdal, Buskerud, Norway
Data Identifiers
Mindat Occurrence Record ID:1435607
Long-form Identifier:1:3:1435607:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
12.1km (7.5 miles) ⓘDøvikkollen, Modum West, Modum, Buskerud, Norway
14.4km (8.9 miles) ⓘSkuterud Mines, Modum West, Modum, Buskerud, Norway
14.8km (9.2 miles) ⓘHilsen Farm, Snarum, Modum, Buskerud, Norway
15.2km (9.5 miles) ⓘMellomgruvene, Skuterud Mines, Modum West, Modum, Buskerud, Norway
15.9km (9.9 miles) ⓘDypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway
17.3km (10.7 miles) ⓘBjertnes pegmatite, Krødsherad, Buskerud, Norway
18.0km (11.2 miles) ⓘGrøsli Mine, Flesberg, Buskerud, Norway
24.0km (14.9 miles) ⓘFjøse Prospect, Rollag, Buskerud, Norway
25.1km (15.6 miles) ⓘErtelien Mine, Ertelien Mines, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
26.4km (16.4 miles) ⓘSkjerpevika, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
References
Geological Survey of Norway (NGU). The Ore Database (Malmdatabasen). Deposit Area 621 - 011. Grågalten
 
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