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
Kivimaa, Tervola, Lapland, 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 Kivimaa, Tervola, Lapland, Finland
Data Identifiers
Mindat Occurrence Record ID:847086
Long-form Identifier:1:3:847086:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.4km (9.0 miles) ⓘPukinselkä, Tervola, Lapland, Finland
21.8km (13.5 miles) ⓘVinsa, Rovaniemi, Lapland, Finland
27.8km (17.3 miles) ⓘRompas, Ylitornio, Lapland, Finland
29.1km (18.1 miles) ⓘKivilompolo, Ylitornio, Lapland, Finland
29.7km (18.5 miles) ⓘPetäjävaara (Rosvohotu), Rovaniemi, Lapland, Finland
61.0km (37.9 miles) ⓘKilvenjärvi Offset Sulfide-PGE Deposit, Portimo complex, Lapland, Finland
73.6km (45.7 miles) ⓘKylmäkangas, Kuivaniemi, Ii, North Ostrobothnia, Finland
76.0km (47.2 miles) ⓘKompsa, Kuivaniemi, Ii, North Ostrobothnia, Finland
76.2km (47.4 miles) ⓘKarahkalehto (Karahka), Kuivaniemi, Ii, North Ostrobothnia, Finland
85.8km (53.3 miles) ⓘSääskilampi, Ranua, Lapland, Finland
References
Eilu, Pasi (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining. Rovaniemi.
 
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