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
Pedrouços Mine, Fornos de Maceira Dão, Mangualde, 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 Pedrouços Mine, Fornos de Maceira Dão, Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:895850
Long-form Identifier:1:3:895850:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.5km (1.5 miles) ⓘUnnamed pegmatite, São Cosmado, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
2.9km (1.8 miles) ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
5.5km (3.4 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.3km (3.9 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.4km (4.0 miles) ⓘRochel, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
6.4km (4.0 miles) ⓘCabeço do Seixo, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
7.3km (4.5 miles) ⓘCunha Baixa Mine, Cunha Baixa, Mangualde, Viseu, Portugal
8.0km (5.0 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
8.4km (5.2 miles) ⓘPicoto Mine, Vilar Seco, Nelas, Viseu, Portugal
9.5km (5.9 miles) ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID 1273U
 
and/or  
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