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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Plagioclase from
La Primera Mine (Cabeza Líjar), Guadarrama, Community of Madrid, Spain


Locality type:Mine
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified, XRD
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view La Primera Mine (Cabeza Líjar), Guadarrama, Community of Madrid, Spain
Data Identifiers
Mindat Occurrence Record ID:705807
Long-form Identifier:1:3:705807:3
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
15.4km (9.6 miles) ⓘOtero de Herreros area, Segovia, Castile and Leon, Spain
25.2km (15.7 miles) ⓘLas Cabañuelas Mine (El Canchal Mine), Hoyo de Manzanares, Community of Madrid, Spain
48.2km (30.0 miles) ⓘMadrid meteorite, Madrid, Community of Madrid, Spain
50.7km (31.5 miles) ⓘLa Cabrera pluton, La Cabrera, Community of Madrid, Spain
66.6km (41.4 miles) ⓘLa Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain
92.3km (57.3 miles) ⓘVillafranca de la Sierra quarry, Villafranca de la Sierra, Ávila, Castile and Leon, Spain
References
Geominero Museum of Madrid Collection
 
and/or  
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