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Biotite from
Bjønndalen Quarry, Nittedal, Akershus, 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 Bjønndalen Quarry, Nittedal, Akershus, Norway
Data Identifiers
Mindat Occurrence Record ID:86583
Long-form Identifier:1:3:86583:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.3km (1.4 miles) ⓘGjelleråsen, Nittedal, Akershus, Norway
2.6km (1.6 miles) ⓘKristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway
3.7km (2.3 miles) ⓘHuken Quarry, Grorud, Oslo, Norway
5.3km (3.3 miles) ⓘSandermosen, Maridalen, Oslomarka, Oslo, Norway
7.1km (4.4 miles) ⓘTonsenplassen, Oslomarka, Oslo, Norway
20.8km (12.9 miles) ⓘRambydalen Quarry, Ullensaker, Akershus, Norway
21.2km (13.2 miles) ⓘBallerud, Bærum (Baerum), Akershus, Norway
26.0km (16.2 miles) ⓘFjellsjøen, Lunner, Akershus, Norway
28.4km (17.6 miles) ⓘLake Gjerdingen larvikite outcrop, Jevnaker, Akershus, Norway
31.6km (19.6 miles) ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway
References
Berg, Hans-Jørgen (1994) Bjønndalen bruk. STEIN. Nordisk magasin for populær geologi, 21 (3) 205-216
 
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