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Biotite from
Lauvrak, Froland, Agder, Norway


Locality type:Farm
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 Lauvrak, Froland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:692279
Long-form Identifier:1:3:692279:5
GUID (UUID V4):0
Localities for Biotite in this Region
Isaksfjell, Lauvrak, Froland, Agder, Norway
Middle Lauvrak Quarry, Lauvrak, Froland, Agder, Norway
Northern Lauvrak Quarry, Lauvrak, Froland, Agder, Norway
Nearest other occurrences of Biotite
0.8km (0.5 miles) ⓘMiddle Lauvrak Quarry, Lauvrak, Froland, Agder, Norway
0.9km (0.6 miles) ⓘHellheia nordre quarry (Hellheia 2), Hellheia, Froland, Agder, Norway
1.1km (0.7 miles) ⓘIsaksfjell, Lauvrak, Froland, Agder, Norway
1.1km (0.7 miles) ⓘNorthern Lauvrak Quarry, Lauvrak, Froland, Agder, Norway
1.2km (0.7 miles) ⓘRevefjell 1, Revefjell, Froland, Agder, Norway
1.2km (0.7 miles) ⓘHellheia midtre quarry (Hellheia 1), Hellheia, Froland, Agder, Norway
1.7km (1.1 miles) ⓘBjellåsen, Froland, Agder, Norway
2.0km (1.2 miles) ⓘRundomsmyråsen, Froland, Agder, Norway
2.0km (1.3 miles) ⓘNordre Bjellåsen (Bjellåsen 5), Bjellåsen, Froland, Agder, Norway
2.1km (1.3 miles) ⓘBlengsvatn, Froland, Agder, Norway
References
 
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