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
Pahkalampi, Suomussalmi, Kainuu, 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 Pahkalampi, Suomussalmi, Kainuu, Finland
Data Identifiers
Mindat Occurrence Record ID:983074
Long-form Identifier:1:3:983074:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.9km (1.8 miles) ⓘMoukkori deposit (Housuvaara 1), Suomussalmi, Kainuu, Finland
26.6km (16.5 miles) ⓘKuikkapuro deposit, Suomussalmi, Kainuu, Finland
44.5km (27.7 miles) ⓘNäränkävaara, Kuusamo, North Ostrobothnia, Finland
59.7km (37.1 miles) ⓘIivaara Intrusion (Ijola), Kuusamo, North Ostrobothnia, Finland
62.0km (38.5 miles) ⓘLikamännikkö syenite intrusion, Suomussalmi, Kainuu, Finland
82.9km (51.5 miles) ⓘKustomuksha Iron Mines, Kostomuksha City District, Republic of Karelia, Russia
90.1km (56.0 miles) ⓘMustavaara, Taivalkoski, North Ostrobothnia, Finland
References
Kojonen, Kari, Pakkanen, Lassi, Johanson, Bo (1996). Kullan esiintyminen Suomussalmen Pahkalammen kultamalmiaiheessa. GTK:n arkistoraportti M42.4/4513/3/96/1.
 
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