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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Pyrite from
Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:647399
Long-form Identifier:1:3:647399:0
GUID (UUID V4):0
Nearest other occurrences of Pyrite
1.1km (0.7 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
1.6km (1.0 miles) ⓘCunha Baixa Mine, Cunha Baixa, Mangualde, Viseu, Portugal
2.9km (1.8 miles) ⓘEspinho Mine, Espinho, Mangualde, Viseu, Portugal
6.0km (3.7 miles) ⓘFreixiosa Mine, Freixiosa, Mangualde, Viseu, Portugal
8.6km (5.4 miles) ⓘPinhal do Souto Mine, Tragos, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
10.2km (6.4 miles) ⓘPicoto Mine, Vilar Seco, Nelas, Viseu, Portugal
11.3km (7.0 miles) ⓘCova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
13.1km (8.1 miles) ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
16.4km (10.2 miles) ⓘVenturinha, Sezures, Penalva do Castelo, Viseu, Portugal
17.1km (10.6 miles) ⓘCastelejo Mine, Vila Cortês da Serra, Gouveia, Guarda, Portugal
References
various photographs
 
and/or  
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