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
Varatskoe occurrence, Loukhsky District, Republic of Karelia, Russia


Locality type:Occurrence
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 Varatskoe occurrence, Loukhsky District, Republic of Karelia, Russia
Data Identifiers
Mindat Occurrence Record ID:1222437
Long-form Identifier:1:3:1222437:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
6.4km (4.0 miles) ⓘChupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
9.9km (6.2 miles) ⓘMalinovaya Varaka pegmatite, Chupa Bay, Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
14.2km (8.8 miles) ⓘKhit Ostrov (Khit Island), Loukhsky District, Republic of Karelia, Russia
16.4km (10.2 miles) ⓘLopatova Guba mica pit, Loukhsky District, Republic of Karelia, Russia
16.7km (10.4 miles) ⓘKhetolambina pegmatite, Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
27.1km (16.8 miles) ⓘKrivoe ozero (Kartesh), Chupa pegmatite field, Loukhsky District, Republic of Karelia, Russia
40.1km (24.9 miles) ⓘKhizovara kyanite deposit, Khizovaar ore field, Loukhsky District, Republic of Karelia, Russia
50.5km (31.4 miles) ⓘDlinnaya lambina lake, Ambarniy village, Loukhsky District, Republic of Karelia, Russia
60.3km (37.5 miles) ⓘElet'ozerskii massif, Loukhsky District, Republic of Karelia, Russia
68.1km (42.3 miles) ⓘTiksheozero massif (Tkishozerskii massif; Tiksheozersky), Loukhsky District, Republic of Karelia, Russia
References
webmineral.ru (2020) http://webmineral.ru/deposits/item.php?id=1262
 
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