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
Kompsa, 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 Kompsa, Kuivaniemi, Ii, North Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:889462
Long-form Identifier:1:3:889462:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.8km (1.8 miles) ⓘKarahkalehto (Karahka), Kuivaniemi, Ii, North Ostrobothnia, Finland
4.8km (3.0 miles) ⓘKylmäkangas, Kuivaniemi, Ii, North Ostrobothnia, Finland
42.9km (26.7 miles) ⓘSääskilampi, Ranua, Lapland, Finland
56.1km (34.8 miles) ⓘKilvenjärvi Offset Sulfide-PGE Deposit, Portimo complex, Lapland, Finland
67.0km (41.6 miles) ⓘPetäjävaara (Rosvohotu), Rovaniemi, Lapland, Finland
67.9km (42.2 miles) ⓘPukinselkä, Tervola, Lapland, Finland
71.5km (44.4 miles) ⓘVinsa, Rovaniemi, Lapland, Finland
76.0km (47.2 miles) ⓘKivimaa, Tervola, Lapland, Finland
76.0km (47.2 miles) ⓘKortejärvi Carbonatite, Pudasjärvi, North Ostrobothnia, Finland
84.7km (52.6 miles) ⓘLaivajoki Carbonatite, Posio, Lapland, Finland
References
Geological Survey of Finland 2007 Kompsa - Gold Database
 
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