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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Magnesite from
Bodón Blanco hyperalkaline playa-lake, Segovia, Castile and Leon, Spain


Locality type:Lake
Classification
Species:Magnesite
Formula:MgCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnesite data
Locality Data:Click here to view Bodón Blanco hyperalkaline playa-lake, Segovia, Castile and Leon, Spain
Data Identifiers
Mindat Occurrence Record ID:1675792
Long-form Identifier:1:3:1675792:3
GUID (UUID V4):0
Nearest other occurrences of Magnesite
5.4km (3.4 miles) ⓘCaballo Alba hyperalkaline playa-lake, Segovia, Castile and Leon, Spain
9.2km (5.7 miles) ⓘLas Eras, Segovia, Castile and Leon, Spain
86.0km (53.4 miles) ⓘArroyo del Valle, Puerto de la Cruz Verde, San Lorenzo de El Escorial, Community of Madrid, Spain
86.9km (54.0 miles) ⓘPuerto de la Cruz Verde Quarries, Zarzalejo, Community of Madrid, Spain
References
Buey, Pablo, Sanz-Montero, María Esther, Rodríguez-Aranda, Juan Pablo, Sánchez-Román, Mónica, Nieto, Fernando (2025) The Miocene Source-to-Sink Evolution of Fibrous Clay Minerals in Hyperalkaline Playa-Lakes, Duero Basin (Central Spain). Minerals, 15 (1). doi:10.3390/min15010050
 
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