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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Porphyritic andesite from
Tuzla geothermal field, Ayvacık District, Çanakkale Province, Turkey


Locality type:Volcanic Field
Classification
Type:Porphyritic andesite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Porphyritic andesite data
Locality Data:Click here to view Tuzla geothermal field, Ayvacık District, Çanakkale Province, Turkey
Data Identifiers
Mindat Occurrence Record ID:1885893
Long-form Identifier:1:3:1885893:4
GUID (UUID V4):0
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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