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
Krivoe ozero (Kartesh), Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia


Locality type:Pegmatite
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 Krivoe ozero (Kartesh), Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
Data Identifiers
Mindat Occurrence Record ID:826261
Long-form Identifier:1:3:826261:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
17.3km (10.7 miles) ⓘKhetolambina pegmatite, Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
20.3km (12.6 miles) ⓘMalinovaya Varaka pegmatite, Chupa Bay, Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
26.2km (16.3 miles) ⓘLopatova Guba mica pit, Loukhsky District, Republic of Karelia, Russia
27.1km (16.8 miles) ⓘVaratskoe occurrence, Loukhsky District, Republic of Karelia, Russia
27.8km (17.3 miles) ⓘKhit Ostrov (Khit Island), Loukhsky District, Republic of Karelia, Russia
28.0km (17.4 miles) ⓘChupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
48.3km (30.0 miles) ⓘDlinnaya lambina lake, Ambarniy village, Loukhsky District, Republic of Karelia, Russia
55.1km (34.2 miles) ⓘTurii alkaline massif (Turiy massif), Turii Cape, Murmansk Oblast, Russia
64.9km (40.3 miles) ⓘKolvitsa Fe-Ti-V deposit, Tersky District, Murmansk Oblast, Russia
66.4km (41.2 miles) ⓘKhizovara kyanite deposit, Khizovaar ore field, Loukhsky District, Republic of Karelia, Russia
References
Y.A.Kogevnikov "Samotcvetnie tropi",Moscow,Mir Samotcvetov, 2010, 56p.
 
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