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Biotite from
Gloserheia, Froland, Agder, Norway


Locality type:Open-Cast Mine
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 Gloserheia, Froland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:365902
Long-form Identifier:1:3:365902:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.4km (0.2 miles) ⓘÅrgruven Iron Mine, Lyngrott Mining Field, Lyngrott, Froland, Agder, Norway
1.3km (0.8 miles) ⓘSeljeÃĨsen Quartz Prospect, SeljÃĨsen, Lyngrott, Froland, Agder, Norway
2.2km (1.4 miles) ⓘSeljeÃĨsen Nickel Prospect, Lyngrott, Froland, Agder, Norway
4.2km (2.6 miles) ⓘKleggÃĨsen Ruby Quarry, Froland, Agder, Norway
7.0km (4.3 miles) ⓘGrasÃĨs Feldspar Quarry, Austre Moland, Arendal, Agder, Norway
7.1km (4.4 miles) ⓘBliksÃĨsen, Osedalen, Froland, Agder, Norway
7.4km (4.6 miles) ⓘFjeld Quarry (Fjellvand Quarry), Austre Moland, Arendal, Agder, Norway
8.4km (5.2 miles) ⓘHella 2 Feldspar Quarry, Helle, Stokken, Arendal, Agder, Norway
8.4km (5.2 miles) ⓘHella 1 Feldspar Quarry, Helle, Stokken, Arendal, Agder, Norway
8.4km (5.2 miles) ⓘVÃĨland Mine, Holt, Tvedestrand, Agder, Norway
References
Åmli, Reidar (1975) Mineralogy and rare earth geochemistry of apatite and xenotime from the Gloserheia granite pegmatite, Froland, southern Norway. American Mineralogist, 60 (7-8). 607-620
Baadsgaard, H., Chaplin, C., & Griffin, W. L. (1984). Geochronology of the Gloserheia pegmatite, Froland, southern Norway. Norsk geologisk tidsskrift, 64 (2), 111-119.
 
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