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Biotite from
Tortveit 01 Feldspar Quarry, Tortveit, 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 Tortveit 01 Feldspar Quarry, Tortveit, Iveland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:700211
Long-form Identifier:1:3:700211:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.3km (0.2 miles) ⓘTortveit 02 Feldspar Quarry, Tortveit, Iveland, Agder, Norway
1.2km (0.8 miles) ⓘMølland 04 Feldspar Quarry, Mølland, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘÆretveit 1 Feldspar Quarry, Æretveit, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘSolås Pegmatite, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘTjomstøl, Iveland, Agder, Norway
1.6km (1.0 miles) ⓘNateland, Iveland, Agder, Norway
1.6km (1.0 miles) ⓘÆretveit 3 Feldspar Quarry, Æretveit, Iveland, Agder, Norway
1.6km (1.0 miles) ⓘMølland 01 feldspar quarry, Mølland, Iveland, Agder, Norway
1.7km (1.0 miles) ⓘMølland 02 Feldspar Quarry, Mølland, Iveland, Agder, Norway
1.7km (1.1 miles) ⓘÆretveit 5 Feldspar Quarry, 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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