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Biotite from
Østre Kjørstad Quarry, Kjørstad, Bamble, Telemark, Norway


Locality type:Quarry
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 Østre Kjørstad Quarry, Kjørstad, Bamble, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:650500
Long-form Identifier:1:3:650500:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.6km (0.4 miles) ⓘVestre Kjørstad II Quarry, Kjørstad, Bamble, Telemark, Norway
0.6km (0.4 miles) ⓘTrosby pegmatites, Trosby, Bamble, Telemark, Norway
0.8km (0.5 miles) ⓘVestre Kjørstad 1 Quarry, Kjørstad, Bamble, Telemark, Norway
1.9km (1.2 miles) ⓘHavredal I quarry, Midtre Havredal, Havredal, Bamble, Telemark, Norway
2.2km (1.3 miles) ⓘHafredal II quarry, Midtre Havredal, Havredal, Bamble, Telemark, Norway
2.6km (1.6 miles) ⓘToner pegmatite, Bamble, Telemark, Norway
2.9km (1.8 miles) ⓘHafsund Quarry, Hafsund islands, Bamble, Telemark, Norway
3.4km (2.1 miles) ⓘBreisand Quarry, Bamble, Telemark, Norway
3.5km (2.2 miles) ⓘVissestad Mine, Nystein, Bamble Nickel Mines, Bamble, Telemark, Norway
3.6km (2.3 miles) ⓘMeikjær Mine, Skjilbreia, Bamble Nickel Mines, Bamble, Telemark, Norway
References
Larsen, Alf Olav (2025) Pegmatittbrudd i Telemark [Pegmatite quarries in Telemark]. Alf Olav Larsen. p.1-212.p.25
 
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