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Biotite from
Tjomstøl, 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 Tjomstøl, Iveland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:700205
Long-form Identifier:1:3:700205:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.0km (0.6 miles) ⓘNateland, Iveland, Agder, Norway
1.1km (0.7 miles) ⓘBirketveit 1 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
1.2km (0.7 miles) ⓘBirketveit 2 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
1.3km (0.8 miles) ⓘTortveit 02 Feldspar Quarry, Tortveit, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘBirketveit 4 Feldspar Quarry, Birketveit, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘLjosland 01 Feldspar Quarry, Ljosland, Iveland, Agder, Norway
1.4km (0.9 miles) ⓘTortveit 01 Feldspar Quarry, Tortveit, Iveland, Agder, Norway
1.5km (0.9 miles) ⓘLjosland 02 Feldspar Quarry, Ljosland, Iveland, Agder, Norway
1.6km (1.0 miles) ⓘSolås Pegmatite, Iveland, Agder, Norway
1.6km (1.0 miles) ⓘBirketveit 5 Feldspar Quarry, Birketveit, 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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