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
Kylmäkangas, Kuivaniemi, Ii, North Ostrobothnia, Finland


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 Kylmäkangas, Kuivaniemi, Ii, North Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:889472
Long-form Identifier:1:3:889472:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.0km (1.9 miles) ⓘKarahkalehto (Karahka), Kuivaniemi, Ii, North Ostrobothnia, Finland
4.8km (3.0 miles) ⓘKompsa, Kuivaniemi, Ii, North Ostrobothnia, Finland
47.0km (29.2 miles) ⓘSääskilampi, Ranua, Lapland, Finland
57.9km (36.0 miles) ⓘKilvenjärvi Offset Sulfide-PGE Deposit, Portimo complex, Lapland, Finland
66.2km (41.2 miles) ⓘPukinselkä, Tervola, Lapland, Finland
66.4km (41.2 miles) ⓘPetäjävaara (Rosvohotu), Rovaniemi, Lapland, Finland
70.3km (43.7 miles) ⓘVinsa, Rovaniemi, Lapland, Finland
73.6km (45.7 miles) ⓘKivimaa, Tervola, Lapland, Finland
80.8km (50.2 miles) ⓘKortejärvi Carbonatite, Pudasjärvi, North Ostrobothnia, Finland
89.4km (55.6 miles) ⓘLaivajoki Carbonatite, Posio, Lapland, Finland
References
Geological Survey of Finland 2007 Kylmäkangas - Gold Database
 
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