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
Festøya, Ørsta, Møre og Romsdal, Norway


Locality type:Village
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 Festøya, Ørsta, Møre og Romsdal, Norway
Data Identifiers
Mindat Occurrence Record ID:1990877
Long-form Identifier:1:3:1990877:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
24.9km (15.4 miles) ⓘUlsteinvik, Ulstein, Møre og Romsdal, Norway
33.1km (20.6 miles) ⓘNogva eclogite outcrop, Flemsøya-Skuløya, Haram, Ålesund, Møre og Romsdal, Norway
33.7km (20.9 miles) ⓘRemøyholmen, Sørøyane, Herøy, Møre og Romsdal, Norway
35.7km (22.2 miles) ⓘHamarsneset Beach, Runde Island, Sørøyane, Herøy, Møre og Romsdal, Norway
36.9km (22.9 miles) ⓘBardane, Fjørtofta, Haram, Ålesund, Møre og Romsdal, Norway
45.6km (28.4 miles) ⓘSandsøya Southeast, Sandsøya, Sande, Møre og Romsdal, Norway
54.8km (34.0 miles) ⓘGusdal Olivine Pit (Åheim Olivine Pit), Almklovdalen, Vanylven, Møre og Romsdal, Norway
54.9km (34.1 miles) ⓘAlmklovdalen, Vanylven, Møre og Romsdal, Norway
56.0km (34.8 miles) ⓘLote Tunnel, Nordfjordeid, Eid, Stad, Vestland, Norway
57.9km (36.0 miles) ⓘHeggur tunnel (Fjøra-Tafjord tunnel), Tafjord, Norddal, Fjord, Møre og Romsdal, Norway
References
Smith, David C. (1971) A tourmaline-bearing eclogite from Sunnmøre, Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 51 (2). 141-147
 
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