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
Salmagorsky complex, Kola Peninsula, Murmansk Oblast, Russia


Locality type:Complex
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 Salmagorsky complex, Kola Peninsula, Murmansk Oblast, Russia
Data Identifiers
Mindat Occurrence Record ID:1726183
Long-form Identifier:1:3:1726183:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
37.1km (23.1 miles) ⓘVuonnemiok River Valley, Murmansk Oblast, Russia
46.0km (28.6 miles) ⓘMaterial'naya Adit, Yukspor Mountain, Murmansk Oblast, Russia
46.7km (29.0 miles) ⓘLesnaya Varaka Massif, Murmansk Oblast, Russia
47.4km (29.5 miles) ⓘHackman Valley, Yukspor Mountain, Murmansk Oblast, Russia
48.6km (30.2 miles) ⓘYukspor Mountain, Murmansk Oblast, Russia
49.1km (30.5 miles) ⓘKirovskii apatite mine, Kukisvumchorr Mt, Murmansk Oblast, Russia
52.1km (32.4 miles) ⓘKolvitsa Fe-Ti-V deposit, Tersky District, Murmansk Oblast, Russia
55.3km (34.4 miles) ⓘOlenii Ruchei (Olenii Creek; Oleny Ruchei), Carbonatite Stock in the vicinity of Tul'ilukht Bay, Murmansk Oblast, Russia
55.7km (34.6 miles) ⓘTuliok River head, East slope, Kukisvumchorr Mt, Murmansk Oblast, Russia
56.8km (35.3 miles) ⓘCarbonatite Stock in the vicinity of Tul'ilukht Bay, Murmansk Oblast, Russia
References
Korobeinikov, A. N., Mitrofanov, F. P., Gehor, S., Laajoki, K., Pavlov, V. P., Mamontov, V. P. (1998) Geology and Copper Sulphide Mineralization of the Salmagorskii Ring Igneous Complex, Kola Peninsula, NW Russia. Journal of Petrology, 39 (11) 2033-2041 doi:10.1093/petroj/39.11-12.2033
 
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