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
Castelhão Mine, Vilar de Mouros, Caminha, Viana do Castelo, Portugal


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Castelhão Mine, Vilar de Mouros, Caminha, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:825530
Long-form Identifier:1:3:825530:3
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
3.0km (1.9 miles) ⓘFonte Nova Mine, Vilar de Mouros, Caminha, Viana do Castelo, Portugal
4.7km (2.9 miles) ⓘFervença Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
5.3km (3.3 miles) ⓘFraga Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
6.0km (3.7 miles) ⓘValdarcas Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
6.1km (3.8 miles) ⓘCerdeirinha Mine, Arga de Baixo, Caminha, Viana do Castelo, Portugal
6.5km (4.0 miles) ⓘTapada e Gesteira Mine, Arga de Baixo, Caminha, Viana do Castelo, Portugal
6.5km (4.0 miles) ⓘTapada e Gesteira Mine, Arga de Cima, Caminha, Viana do Castelo, Portugal
6.6km (4.1 miles) ⓘLapa Grande Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
7.7km (4.8 miles) ⓘMonte da Gávea Mine, Reboreda e Nogueira, Vila Nova de Cerveira, Viana do Castelo, Portugal
9.9km (6.2 miles) ⓘParadela Mine, Freixieiro de Soutelo, Viana do Castelo, Viana do Castelo, Portugal
References
Alves, Pedro (n.d.) Personal communication.
 
and/or  
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