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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Opal from
La Cabrera pluton, La Cabrera, Community of Madrid, Spain


Locality type:Pluton
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view La Cabrera pluton, La Cabrera, Community of Madrid, Spain
Data Identifiers
Mindat Occurrence Record ID:789862
Long-form Identifier:1:3:789862:4
GUID (UUID V4):0
Nearest other occurrences of Opal
3.6km (2.3 miles) ⓘIsabel Quarry (La Saludadora Quarry; La Cabrera pluton), Valdemanco, Community of Madrid, Spain
5.7km (3.6 miles) ⓘPeña Mojada Quarry (Los Alisos E Quarry; La Cabrera pluton), Valdemanco, Community of Madrid, Spain
6.0km (3.8 miles) ⓘEl Madroñal Quarry (La Cabrera pluton), Valdemanco, Community of Madrid, Spain
6.2km (3.9 miles) ⓘLos Alisos W Quarry (La Cabrera pluton), Valdemanco, Community of Madrid, Spain
53.5km (33.3 miles) ⓘCasa Montero, Vicálvaro, Madrid, Community of Madrid, Spain
55.2km (34.3 miles) ⓘAlmodóvar Hill, Vicálvaro, Madrid, Community of Madrid, Spain
63.8km (39.6 miles) ⓘMiocene outcrops, Alconada de Maderuelo, Segovia, Castile and Leon, Spain
References
Tánago, José González del, Lozano, Rafael Pablo, Larios, Alfredo, Iglesia, Angel La (2012) Stokesite crystals from La Cabrera, Madrid, Spain. The Mineralogical Record, 43 (4) 499-508
 
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