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
Escádia Grande Mine, Alvares, Góis, Coimbra, Portugal


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Boulangerite2
Siderite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Escádia Grande Mine, Alvares, Góis, Coimbra, Portugal
Data Identifiers
Mindat Occurrence Record ID:775525
Long-form Identifier:1:3:775525:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
7.4km (4.6 miles) ⓘVale Torto Mine, Alvares, Góis, Coimbra, Portugal
7.8km (4.9 miles) ⓘGóis Mining Field, Góis, Coimbra, Portugal
8.8km (5.5 miles) ⓘVale de Pião Mine, Cadafaz e Colmeal, Góis, Coimbra, Portugal
9.2km (5.7 miles) ⓘMilreu, Alvares, Góis, Coimbra, Portugal
9.3km (5.8 miles) ⓘSenhora da Guia Mines, Liboreiro, Góis, Góis, Coimbra, Portugal
13.5km (8.4 miles) ⓘFontão Mine, Castanheira de Pêra, Castanheira de Pêra, Leiria, Portugal
21.0km (13.0 miles) ⓘFragas do Cavalo Mine, União de Freguesias de Oleiros e Amieira, Oleiros, Castelo Branco, Portugal
22.8km (14.2 miles) ⓘLomba das Vargens Mine, Fajão-Vidual, Pampilhosa da Serra, Coimbra, Portugal
23.3km (14.5 miles) ⓘRibeiro do Asno Mine, Unhais-o-Velho, Pampilhosa da Serra, Coimbra, Portugal
23.7km (14.7 miles) ⓘCeiroco Mine, Fajão-Vidual, Pampilhosa da Serra, Coimbra, Portugal
References
Siorminp database
edm.pt (2017) https://edm.pt/en/mineira/escadia-grande/
 
and/or  
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