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
Balsas Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal


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 Balsas Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:913944
Long-form Identifier:1:3:913944:2
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.1km (1.3 miles) ⓘSerra de Santa Justa No. 2 Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal
2.1km (1.3 miles) ⓘCruz da Lenta Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, Viana do Castelo, Portugal
2.6km (1.6 miles) ⓘSerra de Santa Justa Mine, São Pedro d'Arcos, Ponte de Lima, Viana do Castelo, Portugal
3.0km (1.9 miles) ⓘCapela de Nossa Senhora da Rocha Mine, Nogueira， Meixedo e Vilar de Murteda, Viana do Castelo, Viana do Castelo, Portugal
3.6km (2.2 miles) ⓘEstorãos Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
5.5km (3.4 miles) ⓘMãos Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
6.0km (3.7 miles) ⓘCavalinho Mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
6.5km (4.0 miles) ⓘLagoa Mine (Cerquido Mine), Estorãos, Ponte de Lima, Viana do Castelo, Portugal
7.2km (4.4 miles) ⓘRibeiro do Salgueiro and Covas dos Mouros Mines, Arga de Cima, Caminha, Viana do Castelo, Portugal
8.7km (5.4 miles) ⓘCachadinhas and Monte do Castelo Mine, Navió e Vitorino dos Piães, Ponte de Lima, Viana do Castelo, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 139Sn
 
and/or  
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