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
Borralhal Mine, União de Freguesias de Estreito e Vilar Barroco, Oleiros, Castelo Branco, 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 Borralhal Mine, União de Freguesias de Estreito e Vilar Barroco, Oleiros, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:819528
Long-form Identifier:1:3:819528:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
14.7km (9.1 miles) ⓘVale de Roxa Mine, Almaceda, Castelo Branco, Castelo Branco, Portugal
15.3km (9.5 miles) ⓘFragas do Cavalo Mine, União de Freguesias de Oleiros e Amieira, Oleiros, Castelo Branco, Portugal
16.7km (10.4 miles) ⓘVale da Carreira Mine (Vale das Gatas Mine), Sarzedas, Castelo Branco, Castelo Branco, Portugal
16.7km (10.4 miles) ⓘPomar Mine, Sarzedas, Castelo Branco, Castelo Branco, Portugal
17.0km (10.6 miles) ⓘRibeiro do Asno Mine, Unhais-o-Velho, Pampilhosa da Serra, Coimbra, Portugal
18.3km (11.4 miles) ⓘCeiroco Mine, Fajão-Vidual, Pampilhosa da Serra, Coimbra, Portugal
19.0km (11.8 miles) ⓘLomba das Vargens Mine, Fajão-Vidual, Pampilhosa da Serra, Coimbra, Portugal
19.2km (12.0 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
19.5km (12.1 miles) ⓘVale Torto Mine, Alvares, Góis, Coimbra, Portugal
23.7km (14.7 miles) ⓘQueirozes Mine, Salgueiro do Campo, Castelo Branco, Castelo Branco, Portugal
References
Martins da Pedra collection
 
and/or  
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