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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Marcasite from
Jales Mines (Jales Mining Field), Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal


Locality type:Mine
Classification
Species:Marcasite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Marcasite data
Locality Data:Click here to view Jales Mines (Jales Mining Field), Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:1474034
Long-form Identifier:1:3:1474034:5
GUID (UUID V4):0
Nearest other occurrences of Marcasite
2.2km (1.3 miles) ⓘGralheira Mine, Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
22.1km (13.7 miles) ⓘMonte de Entre-Portelas Mine (S. João Mine; Adoria Mine), Cerva e Limões, Ribeira de Pena, Vila Real, Portugal
30.8km (19.2 miles) ⓘLimarinho deposit, Ardãos e Bobadela, Boticas, Vila Real, Portugal
39.0km (24.2 miles) ⓘBorralha Mines, Salto, Montalegre, Vila Real, Portugal
52.6km (32.7 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
74.9km (46.5 miles) ⓘTibães Mine, Mire de Tibães, Braga, Braga, Portugal
78.4km (48.7 miles) ⓘTerramonte Mine, Raiva, Castelo de Paiva, Aveiro, Portugal
83.9km (52.1 miles) ⓘVale do Milho Mine, Argozelo, Vimioso, Bragança, Portugal
83.9km (52.1 miles) ⓘArgozelo Mines, Argozelo, Vimioso, Bragança, Portugal
98.7km (61.3 miles) ⓘCavalinho Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
References
Martins, S. A. B. (2018). Mineralizações auríferas de Jales, Gralheira e Raiz do Monte: estudo mineralógico e paragenético. o Mestrado em Geologia da Faculdade de Ciências da Universidade do Porto
 
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