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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Cassiterite from
Las Navas, Tajo-Salor, Cáceres, Extremadura, Spain


Locality type:Quarry
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Las Navas, Tajo-Salor, Cáceres, Extremadura, Spain
Data Identifiers
Mindat Occurrence Record ID:1651476
Long-form Identifier:1:3:1651476:2
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
24.1km (15.0 miles) ⓘValdeflórez (Valdeflores; San José de Valdeflores Mine; San José de Valdeflórez Mine), Sierra de la Mosca, Cáceres, Cáceres, Extremadura, Spain
31.6km (19.6 miles) ⓘTrasquilón, Cáceres, Cáceres, Extremadura, Spain
53.4km (33.2 miles) ⓘCerro Queimado, União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
54.6km (33.9 miles) ⓘSegura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
60.0km (37.3 miles) ⓘQuartz veins, Madroñera, Cáceres, Extremadura, Spain
60.7km (37.7 miles) ⓘTorrecilla de los Ángeles mine, Villasbuenas de Gata, Cáceres, Extremadura, Spain
69.5km (43.2 miles) ⓘLa Parilla Mine, Miajadas, Badajoz, Extremadura, Spain
71.0km (44.1 miles) ⓘLa Parrilla Mine (Adelaida open pit mine), Almoharín, Cáceres, Extremadura, Spain
74.9km (46.5 miles) ⓘFonte do Casal Pelado Mine, União de Freguesias de Monsanto e Idanha-a-Velha, Idanha-a-Nova, Castelo Branco, Portugal
75.0km (46.6 miles) ⓘGranite outcrop, União de Freguesias de Monsanto e Idanha-a-Velha, Idanha-a-Nova, Castelo Branco, Portugal
References
Borrajo, Iñigo; Tornos, Fernando; Stein, Holly; Hanchar, John M. (2024) Geochronology and decoupling controls of Sn-(Ta-Li) and W-(Sn) mineralization in the Iberian Variscan Massif, Spain and Portugal. Ore Geology Reviews, 173. 106253 doi:10.1016/j.oregeorev.2024.106253
 
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