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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Quartz from
El Atazar Reservoir, El Berrueco, Community of Madrid, Spain


Locality type:Reservoir
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified, XRD
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view El Atazar Reservoir, El Berrueco, Community of Madrid, Spain
Data Identifiers
Mindat Occurrence Record ID:1005156
Long-form Identifier:1:3:1005156:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.8km (1.7 miles) ⓘLanchar del Molino Quarry, Sieteiglesias, Loyozuela-Navas-Sieteiglesias, Community of Madrid, Spain
4.2km (2.6 miles) ⓘCollado de La Tejera (La Cabrera pluton), La Cabrera, Community of Madrid, Spain
5.8km (3.6 miles) ⓘLa Cabrera pluton, La Cabrera, Community of Madrid, Spain
9.0km (5.6 miles) ⓘIsabel Quarry (La Saludadora Quarry; La Cabrera pluton), Valdemanco, Community of Madrid, Spain
10.8km (6.7 miles) ⓘChilena Mine, El Cuadrón, Garganta de los Montes, Community of Madrid, Spain
11.3km (7.0 miles) ⓘLos Alisos W Quarry (La Cabrera pluton), Valdemanco, Community of Madrid, Spain
11.4km (7.1 miles) ⓘEl Madroñal Quarry (La Cabrera pluton), Valdemanco, Community of Madrid, Spain
15.3km (9.5 miles) ⓘCuesta de la Plata Mine (Mónica Mine; Indiana Mine), Bustarviejo, Community of Madrid, Spain
17.9km (11.1 miles) ⓘConchita Mine, Montejo de la Sierra, Community of Madrid, Spain
18.8km (11.7 miles) ⓘLa Garita Stream, Horcajuelo de la Sierra, Community of Madrid, Spain
References
Geominero Museum of Madrid Collection
 
and/or  
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