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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Quartz from
Picoto Mine, Vilar Seco, Nelas, Viseu, Portugal


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Picoto Mine, Vilar Seco, Nelas, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:671420
Long-form Identifier:1:3:671420:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.3km (2.7 miles) ⓘSítio das Cruzinhas and Cocarinhas Mines, Carvalhal Redondo e Aguieira, Nelas, Viseu, Portugal
6.5km (4.0 miles) ⓘUrgeiriça Mines, Canas de Senhorim, Nelas, Viseu, Portugal
8.2km (5.1 miles) ⓘUnnamed pegmatite, São Cosmado, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
8.4km (5.2 miles) ⓘPedrouços Mine, Fornos de Maceira Dão, Mangualde, Viseu, Portugal
9.2km (5.7 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
9.5km (5.9 miles) ⓘAssinada Mine, U.F Fail e Vila Chã de Sá, Viseu, Viseu, Portugal
9.7km (6.0 miles) ⓘCunha Baixa Mine, Cunha Baixa, Mangualde, Viseu, Portugal
10.2km (6.3 miles) ⓘCabeço do Seixo, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
10.2km (6.4 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
10.3km (6.4 miles) ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
References
Teixeira, R., Antunes, I.M., Neiva, A.M.R. (2010) Uranium minerals from the Picoto uranium mine area, central Portugal. Goldschmidt Conference Abstracts 2010.
 
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