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
Seixinho Mine, Santiago de Cassurrães e Póvoa de Cervães, 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 Seixinho Mine, Santiago de Cassurrães e Póvoa de Cervães, Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:895854
Long-form Identifier:1:3:895854:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.1km (1.3 miles) ⓘFreixiosa Mine, Freixiosa, Mangualde, Viseu, Portugal
2.4km (1.5 miles) ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
3.0km (1.9 miles) ⓘPóvoa de Cervães Mine, Santiago de Cassurrães e Póvoa de Cervães, Mangualde, Viseu, Portugal
3.9km (2.4 miles) ⓘPinhal do Souto Mine, Tragos, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
4.5km (2.8 miles) ⓘQuinta da Boa Vista Mine, Abrunhosa-a-Velha, Mangualde, Viseu, Portugal
4.9km (3.1 miles) ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal
5.0km (3.1 miles) ⓘRochel, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
5.1km (3.2 miles) ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal
5.1km (3.2 miles) ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
5.2km (3.2 miles) ⓘCabeço do Seixo, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID 2114QzFlBe
 
and/or  
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