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
Akçal, Tufanbeyli District, Adana Province, Turkey


Locality type:Village
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 Akçal, Tufanbeyli District, Adana Province, Turkey
Data Identifiers
Mindat Occurrence Record ID:1697281
Long-form Identifier:1:3:1697281:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
92.6km (57.5 miles) ⓘFelahiye Complex, Melikgazi District, Kayseri Province, Turkey
References
Ucar, T., McClenaghan, S. H., Lentz, D. R. (2024) Alteration and mineralization features of the Akcal epithermal gold deposit, Biga Peninsula, Western Anatolia, Turkey: evidence for low-sulfidation Au–Ag–Sb mineralization. Geochemistry: Exploration, Environment, Analysis, 24 (4). doi:10.1144/geochem2024-031
 
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