Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Otnheim, Selje, Stad, Vestland, Norway


Locality type:Exposure
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 Otnheim, Selje, Stad, Vestland, Norway
Data Identifiers
Mindat Occurrence Record ID:1504427
Long-form Identifier:1:3:1504427:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.5 miles) ⓘLiset, Selje, Stad, Vestland, Norway
13.4km (8.3 miles) ⓘGusdal Olivine Pit (Åheim Olivine Pit), Almklovdalen, Vanylven, Møre og Romsdal, Norway
13.8km (8.6 miles) ⓘAlmklovdalen, Vanylven, Møre og Romsdal, Norway
14.8km (9.2 miles) ⓘSeljeneset, Nordpollen, Selje, Stad, Vestland, Norway
18.1km (11.2 miles) ⓘSandsøya Southeast, Sandsøya, Sande, Møre og Romsdal, Norway
19.7km (12.2 miles) ⓘNybø eclogite pod, Sørpollen, Vågsøy, Kinn, Vestland, Norway
33.7km (21.0 miles) ⓘRemøyholmen, Sørøyane, Herøy, Møre og Romsdal, Norway
35.5km (22.1 miles) ⓘHamarsneset Beach, Runde Island, Sørøyane, Herøy, Møre og Romsdal, Norway
37.1km (23.1 miles) ⓘUlsteinvik, Ulstein, Møre og Romsdal, Norway
40.4km (25.1 miles) ⓘLote Tunnel, Nordfjordeid, Eid, Stad, Vestland, Norway
References
Carswell, D. A, Krabbendam, M., Cuthbert, S. J., Eide, E. A, Brueckner, H. K., Medaris Jr, L. G (2003) Guidebook to the Field Excursions in the Nordfjord-Stadlandet-Almklovdalen Area. Norges Geologiske Undersøkelse. Rapport 2003.056. Norges Geologiske Undersøkelse (NGU)
 
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