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
Gold deposits (incl. Saturno Mine; Los Espinos Valley), Barruecopardo, Salamanca, Castile and Leon, Spain


Locality type:Deposit
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Gold deposits (incl. Saturno Mine; Los Espinos Valley), Barruecopardo, Salamanca, Castile and Leon, Spain
Data Identifiers
Mindat Occurrence Record ID:306341
Long-form Identifier:1:3:306341:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
8.7km (5.4 miles) ⓘAmistad mine (Margarita mine), Villasbuenas, Salamanca, Castile and Leon, Spain
14.3km (8.9 miles) ⓘBarruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain
21.7km (13.5 miles) ⓘPedro Alvaro mine, Villares de Yeltes, Salamanca, Castile and Leon, Spain
25.3km (15.7 miles) ⓘCaminho Largo Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
25.6km (15.9 miles) ⓘCabeço da Senhora dos Montes Ermos Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
25.7km (16.0 miles) ⓘMaría Teresa Mine, Villar de Peralonso, Salamanca, Castile and Leon, Spain
27.1km (16.8 miles) ⓘLa Botija, Fermoselle, Zamora, Castile and Leon, Spain
27.6km (17.1 miles) ⓘPrado dos Reis Mine, Mogadouro， Valverde， Vale de Porco e Vilar de Rei, Mogadouro, Bragança, Portugal
27.7km (17.2 miles) ⓘHinojosa-Saucelle road, Hinojosa de Duero, Salamanca, Castile and Leon, Spain
27.8km (17.2 miles) ⓘFonte Santa Mine, Lagoaça e Fornos, Freixo de Espada à Cinta, Bragança, Portugal
References
www.ormondemining.com (2005) http://www.ormondemining.com/pr050131_Salamanca.htm
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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