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
Pohjaslampi, Kuusamo, North Ostrobothnia, Finland


Locality type:Lake
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 Pohjaslampi, Kuusamo, North Ostrobothnia, Finland
Data Identifiers
Mindat Occurrence Record ID:847069
Long-form Identifier:1:3:847069:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.8km (1.1 miles) ⓘJuomasuo, Kuusamo, North Ostrobothnia, Finland
1.8km (1.1 miles) ⓘHangaslampi, Kuusamo, North Ostrobothnia, Finland
9.9km (6.1 miles) ⓘMeurastuksenaho, Kuusamo, North Ostrobothnia, Finland
11.5km (7.2 miles) ⓘSivakkaharju, Kuusamo, North Ostrobothnia, Finland
11.9km (7.4 miles) ⓘKonttiaho, Kuusamo, North Ostrobothnia, Finland
12.2km (7.6 miles) ⓘHonkilehto, Kuusamo, North Ostrobothnia, Finland
19.1km (11.8 miles) ⓘSäynäjävaara, Kuusamo, North Ostrobothnia, Finland
23.2km (14.4 miles) ⓘKouvervaara, Kuusamo, North Ostrobothnia, Finland
57.2km (35.5 miles) ⓘIivaara Intrusion (Ijola), Kuusamo, North Ostrobothnia, Finland
68.7km (42.7 miles) ⓘNäränkävaara, Kuusamo, North Ostrobothnia, Finland
References
Eilu, Pasi (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining. Rovaniemi.
 
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