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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Chalcopyrite from
Casayo mines (Casaio mines; Valborraz mines), Carballeda de Valdeorras, Valdeorras, Ourense, Galicia, Spain


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Casayo mines (Casaio mines; Valborraz mines), Carballeda de Valdeorras, Valdeorras, Ourense, Galicia, Spain
Data Identifiers
Mindat Occurrence Record ID:1651425
Long-form Identifier:1:3:1651425:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
23.7km (14.7 miles) ⓘPenouta mines, Viana do Bolo, Ourense, Galicia, Spain
29.9km (18.6 miles) ⓘVirgen de la Encina Mine, Salas de los Barrios, Ponferrada, El Bierzo, León, Castile and Leon, Spain
38.3km (23.8 miles) ⓘCoto Vivaldi mine, Congosto, El Bierzo, León, Castile and Leon, Spain
39.5km (24.5 miles) ⓘVale da Formiga Mine, França, Bragança, Bragança, Portugal
40.3km (25.1 miles) ⓘPortelo Mine, França, Bragança, Bragança, Portugal
41.5km (25.8 miles) ⓘPortas del Sil Au deposit, Ribas de Sil, Quiroga, Lugo, Galicia, Spain
46.2km (28.7 miles) ⓘAlto da Caroceira Mine, Aveleda e Rio de Onor, Bragança, Bragança, Portugal
47.7km (29.7 miles) ⓘLa Campa mine, Santa Eufemia, Folgoso do Courel, Quiroga, Lugo, Galicia, Spain
52.5km (32.6 miles) ⓘVila Meã Mine, São Julião de Palácios e Deilão, Bragança, Bragança, Portugal
54.6km (33.9 miles) ⓘLomba Grande Mine, Tuizelo, Vinhais, Bragança, 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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