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
Liset, Selje, Stad, Vestland, Norway


Locality type:Farm
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Comments:Found i a boulder of a biotite-bearing eclogite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Liset, Selje, Stad, Vestland, Norway
Data Identifiers
Mindat Occurrence Record ID:822603
Long-form Identifier:1:3:822603:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
4.1km (2.5 miles) ⓘOtnheim, Selje, Stad, Vestland, Norway
10.8km (6.7 miles) ⓘSeljeneset, Nordpollen, Selje, Stad, Vestland, Norway
14.1km (8.7 miles) ⓘGusdal Olivine Pit (Åheim Olivine Pit), Almklovdalen, Vanylven, Møre og Romsdal, Norway
14.4km (8.9 miles) ⓘAlmklovdalen, Vanylven, Møre og Romsdal, Norway
15.7km (9.7 miles) ⓘNybø eclogite pod, Sørpollen, Vågsøy, Kinn, Vestland, Norway
21.9km (13.6 miles) ⓘSandsøya Southeast, Sandsøya, Sande, Møre og Romsdal, Norway
37.7km (23.4 miles) ⓘRemøyholmen, Sørøyane, Herøy, Møre og Romsdal, Norway
39.4km (24.5 miles) ⓘHamarsneset Beach, Runde Island, Sørøyane, Herøy, Møre og Romsdal, Norway
40.9km (25.4 miles) ⓘLote Tunnel, Nordfjordeid, Eid, Stad, Vestland, Norway
41.2km (25.6 miles) ⓘUlsteinvik, Ulstein, Møre og Romsdal, Norway
References
Lappin, M. A., Smith, D. C. (1978) Mantle-equilibrated Orthopyroxene Eclogite Pods from the Basal Gneisses in the Selje District, Western Norway. Journal of Petrology, 19 (3) 530-584 doi:10.1093/petrology/19.3.530
 
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