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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Illite from
Tuzla geothermal field, Ayvacık District, Çanakkale Province, Turkey


Locality type:Volcanic Field
Classification
Species:Muscovite var: Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Illite data
Locality Data:Click here to view Tuzla geothermal field, Ayvacık District, Çanakkale Province, Turkey
Data Identifiers
Mindat Occurrence Record ID:1885863
Long-form Identifier:1:3:1885863:3
GUID (UUID V4):0
Nearest other occurrences of Illite
16.0km (10.0 miles) ⓘAyvacik Bentonite Deposit, Biga Peninsula, Balikesir Province, Turkey
28.0km (17.4 miles) ⓘStypsi prospect, West Lesbos, Lesbos, North Aegean, Greece
66.0km (41.0 miles) ⓘKirazlı, Çanakkale, Çanakkale Province, Turkey
67.0km (41.6 miles) ⓘMuratlar silica site, Çan District, Çanakkale Province, Turkey
74.2km (46.1 miles) ⓘHamamtepe silica site, Çan District, Çanakkale Province, Turkey
74.4km (46.2 miles) ⓘKucukdere deposit, Havran District, Balikesir Province, Turkey
75.0km (46.6 miles) ⓘAgi Dagi prospect, Lapseki District, Çanakkale Province, Turkey
87.2km (54.2 miles) ⓘSaganci, Bergama District, İzmir Province, Turkey
89.4km (55.6 miles) ⓘNarlica Au-Ag deposit, Bergama District, İzmir Province, Turkey
90.5km (56.2 miles) ⓘOvaçik Au-Ag deposit (Ovaçik mine), Bergama District, İzmir Province, Turkey
References
Kiray, Didem; Cengiz, Oya (2025) Petrography, Geochemistry, and Magmatic Processes of Oligocene-Miocene Tuzla Volcanics, Biga Peninsula, NW Türkiye. Minerals, 16 (1). doi:10.3390/min16010023
 
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