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
Lote Tunnel, Nordfjordeid, Eid, Stad, Vestland, Norway


Locality type:Tunnel
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 Lote Tunnel, Nordfjordeid, Eid, Stad, Vestland, Norway
Data Identifiers
Mindat Occurrence Record ID:666445
Long-form Identifier:1:3:666445:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
26.7km (16.6 miles) ⓘAlmklovdalen, Vanylven, Møre og Romsdal, Norway
27.0km (16.8 miles) ⓘGusdal Olivine Pit (Åheim Olivine Pit), Almklovdalen, Vanylven, Møre og Romsdal, Norway
40.4km (25.1 miles) ⓘOtnheim, Selje, Stad, Vestland, Norway
40.9km (25.4 miles) ⓘLiset, Selje, Stad, Vestland, Norway
41.7km (25.9 miles) ⓘSeljeneset, Nordpollen, Selje, Stad, Vestland, Norway
43.0km (26.7 miles) ⓘNybø eclogite pod, Sørpollen, Vågsøy, Kinn, Vestland, Norway
48.6km (30.2 miles) ⓘSandsøya Southeast, Sandsøya, Sande, Møre og Romsdal, Norway
51.5km (32.0 miles) ⓘUlsteinvik, Ulstein, Møre og Romsdal, Norway
51.6km (32.1 miles) ⓘKjøsnesfjorden Hydropower Plant, Jølster, Sunnfjord, Vestland, Norway
55.7km (34.6 miles) ⓘRemøyholmen, Sørøyane, Herøy, Møre og Romsdal, Norway
References
Bryhni, Inge (1964) Contributions to the mineralogy of Norway. No. 26. Chromian muscovite in meta-anorthosite. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 44 (3) 353-363
 
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