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
Ratoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal


Locality type:Quarry
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 Ratoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:747123
Long-form Identifier:1:3:747123:0
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
5.6km (3.5 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
8.5km (5.3 miles) ⓘSão Domingos Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
8.5km (5.3 miles) ⓘAcorradoiro Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
8.8km (5.5 miles) ⓘAbelhas Mine, U.F. Souto de Aguiar da Beira e Valverde, Aguiar da Beira, Guarda, Portugal
13.2km (8.2 miles) ⓘCompanheiro No. 2 quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
13.3km (8.3 miles) ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
14.1km (8.7 miles) ⓘSalão Mine, Rio de Mel, Trancoso, Guarda, Portugal
15.5km (9.6 miles) ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
15.5km (9.6 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
15.8km (9.8 miles) ⓘFonte Velha Mine, Torre de Terrenho， Terrenho e Sebadelhe da Serra, Trancoso, Guarda, Portugal
References
Alves, Pedro (n.d.) Personal communication.
 
and/or  
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