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
Kaltberget Mine, Kvikne, Tynset, Innlandet, Norway


Locality type:Mine
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 Kaltberget Mine, Kvikne, Tynset, Innlandet, Norway
Data Identifiers
Mindat Occurrence Record ID:666387
Long-form Identifier:1:3:666387:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.3km (0.8 miles) ⓘOlkar Mine, Kvikne, Tynset, Innlandet, Norway
1.7km (1.1 miles) ⓘSøndre Berstjern Prospect, Kvikne Mines, Tynset, Innlandet, Norway
1.7km (1.1 miles) ⓘMidtre Berstjern Prospect, Kvikne Mines, Tynset, Innlandet, Norway
2.4km (1.5 miles) ⓘKojan Prospects, Kvikne Mines, Tynset, Innlandet, Norway
2.5km (1.5 miles) ⓘEstenvangen 1 Mine, Kvikne Mines, Tynset, Innlandet, Norway
2.9km (1.8 miles) ⓘSegen Gottes Mine, Kvikne Mines, Tynset, Innlandet, Norway
3.0km (1.9 miles) ⓘStorbekken Prospect, Kvikne Mines, Tynset, Innlandet, Norway
3.1km (1.9 miles) ⓘOdden 1 Mine, Kvikne Mines, Tynset, Innlandet, Norway
3.2km (2.0 miles) ⓘOdden Prospect, Kvikne Mines, Tynset, Innlandet, Norway
45.6km (28.3 miles) ⓘNordre Geitryggen Mine, Folldal Mines, Folldal, Innlandet, Norway
References
Nilsen, O.; Mukherjee, A.D. (1972) Geology of the Kvikne mines with special reference to the sulphide ore mineralization. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 52 (2). 151-192
 
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