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Biotite from
Birketveit 2 Feldspar Quarry, Birketveit, Iveland, Agder, 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 Birketveit 2 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:540604
Long-form Identifier:1:3:540604:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.2km (0.1 miles) ⓘBirketveit 1 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
0.2km (0.2 miles) ⓘBirketveit 4 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
0.8km (0.5 miles) ⓘBirketveit 5 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
0.8km (0.5 miles) ⓘNateland, Iveland, Agder, Norway
1.2km (0.7 miles) ⓘTjomstøl, Iveland, Agder, Norway
1.7km (1.1 miles) ⓘÆretveit 1 Feldspar Quarry, Æretveit, Iveland, Agder, Norway
1.7km (1.1 miles) ⓘÆretveit 2 Feldspar Prospect, Æretveit, Iveland, Agder, Norway
2.0km (1.2 miles) ⓘÆretveit 3 Feldspar Quarry, Æretveit, Iveland, Agder, Norway
2.1km (1.3 miles) ⓘÆretveit 5 Feldspar Quarry, Æretveit, Iveland, Agder, Norway
2.1km (1.3 miles) ⓘÆretveit 4 Feldspar Quarry (Lille Øigard), Æretveit, Iveland, Agder, Norway
References
Bjørlykke, Knut (1935) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4). 211-311
 
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