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Biotite from
Nygard Quarry, Hunndalen, Gjøvik, Innlandet, 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 Nygard Quarry, Hunndalen, Gjøvik, Innlandet, Norway
Data Identifiers
Mindat Occurrence Record ID:975709
Long-form Identifier:1:3:975709:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
38.6km (24.0 miles) ⓘNordli molybdenum deposit, Hurdal, Akershus, Norway
55.5km (34.5 miles) ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway
60.0km (37.3 miles) ⓘLangedalen Mine, Ringerike Ni Mines, Ringerike, Buskerud, Norway
64.5km (40.1 miles) ⓘFjellsjøen, Lunner, Akershus, Norway
64.8km (40.3 miles) ⓘLake Gjerdingen larvikite outcrop, Jevnaker, Akershus, Norway
71.9km (44.7 miles) ⓘGjesåsen Quarry, Åsnes, Innlandet, Norway
77.0km (47.8 miles) ⓘSkaug Mine, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
79.2km (49.2 miles) ⓘRambydalen Quarry, Ullensaker, Akershus, Norway
81.7km (50.7 miles) ⓘSkjerpevika, Holleia, Ringerike Ni Mines, Ringerike, Buskerud, Norway
85.2km (52.9 miles) ⓘSandermosen, Maridalen, Oslomarka, Oslo, Norway
References
Nielsen, Rolf Bjørn (1980) Gjøvikametystens tragiske skjebne. NAGS-NYTT, 7 (4) 11-13
 
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