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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Arsenopyrite from
Barruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain


09190020017366288656849.jpg
Arsenopyrite

Barruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
09190020017366288656849.jpg
Arsenopyrite

Barruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
00766500017366288663852.jpg
Arsenopyrite

Barruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Barruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
Data Identifiers
Mindat Occurrence Record ID:555417
Long-form Identifier:1:3:555417:1
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
12.5km (7.8 miles) ⓘCaminho Largo Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
13.2km (8.2 miles) ⓘCabeço da Senhora dos Montes Ermos Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
14.3km (8.9 miles) ⓘGold deposits (incl. Saturno Mine; Los Espinos Valley), Barruecopardo, Salamanca, Castile and Leon, Spain
17.7km (11.0 miles) ⓘRibeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal
18.6km (11.5 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
21.6km (13.4 miles) ⓘCabeço da Roda Mine, Lagoaça e Fornos, Freixo de Espada à Cinta, Bragança, Portugal
22.0km (13.7 miles) ⓘFonte Santa Mine, Lagoaça e Fornos, Freixo de Espada à Cinta, Bragança, Portugal
22.6km (14.0 miles) ⓘTerra da Mina Mine, Castelo Branco, Mogadouro, Bragança, Portugal
23.4km (14.5 miles) ⓘMari Tere mine, Lumbrales, Salamanca, Castile and Leon, Spain
27.1km (16.9 miles) ⓘCravezes Mine, Castelo Branco, Mogadouro, Bragança, Portugal
References
Calvo Rebollar, Miguel (2003) Minerales y Minas de España - Vol. II, Sulfuros y sulfosales. Museo de Ciencias Naturales de Álava. 705pp.
Losantos, Emma; Borrajo, Iñigo; Losada, Iván; Boixet, Lluís; Castelo Branco, José M.; Tornos, Fernando (2025) Sn and W mineralisation in the Iberian Peninsula. Ore Geology Reviews, 179. 106542 doi:10.1016/j.oregeorev.2025.106542
Mota, Alexandra; Sant’Ovaia, Helena; Fádon, Oscar; Noronha, Fernando (2026) The Geochemistry of Granites Associated with W-Sn Deposits of North and Central Portugal and Castilla-León in Spain. Minerals, 16 (8). doi:10.3390/min16080823
 
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