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
Vesiperä, Haapavesi, 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 Vesiperä, Haapavesi, North Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:847206
Long-form Identifier:1:3:847206:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
10.2km (6.3 miles) ⓘRauhala Deposit, Ylivieska, North Ostrobothnia, Finland
21.5km (13.4 miles) ⓘKurula, Ylivieska, North Ostrobothnia, Finland
36.1km (22.5 miles) ⓘHuhta deposit, Kalajoki, North Ostrobothnia, Finland
37.0km (23.0 miles) ⓘJouhineva, Rautio, Kalajoki, North Ostrobothnia, Finland
39.2km (24.3 miles) ⓘKopsa, Haapajärvi, North Ostrobothnia, Finland
52.1km (32.3 miles) ⓘLaivakangas-N (Näädänmaa; Näädänmalmi), Raahe, North Ostrobothnia, Finland
58.8km (36.5 miles) ⓘHirvikangas, Kalajoki, North Ostrobothnia, Finland
67.8km (42.1 miles) ⓘKoivusaarenneva, Kälviä, Kokkola, Central Ostrobothnia, Finland
88.5km (55.0 miles) ⓘRuostesuo Mine, Kiuruvesi, North Savo, Finland
89.6km (55.7 miles) ⓘKatajakangas deposit, Kajaani, Kainuu, Finland
References
Eilu, Pasi (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining. Rovaniemi.
 
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