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
Milreu, Alvares, Góis, Coimbra, Portugal


Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Milreu, Alvares, Góis, Coimbra, Portugal
Data Identifiers
Mindat Occurrence Record ID:601718
Long-form Identifier:1:3:601718:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
8.2km (5.1 miles) ⓘFontão Mine, Castanheira de Pêra, Castanheira de Pêra, Leiria, Portugal
8.8km (5.5 miles) ⓘVale Torto Mine, Alvares, Góis, Coimbra, Portugal
9.2km (5.7 miles) ⓘEscádia Grande Mine, Alvares, Góis, Coimbra, Portugal
15.9km (9.9 miles) ⓘFragas do Cavalo Mine, União de Freguesias de Oleiros e Amieira, Oleiros, Castelo Branco, Portugal
17.0km (10.5 miles) ⓘGóis Mining Field, Góis, Coimbra, Portugal
17.7km (11.0 miles) ⓘVale de Pião Mine, Cadafaz e Colmeal, Góis, Coimbra, Portugal
18.4km (11.5 miles) ⓘSenhora da Guia Mines, Liboreiro, Góis, Góis, Coimbra, Portugal
24.2km (15.0 miles) ⓘVárzea Mine, Varzea dos Cavaleiros, Sertã, Castelo Branco, Portugal
26.1km (16.2 miles) ⓘOlheirão Mine, Pussos São Pedro, Alvaiázere, Leiria, Portugal
26.5km (16.5 miles) ⓘBorralhal Mine, União de Freguesias de Estreito e Vilar Barroco, Oleiros, Castelo Branco, Portugal
References
Murphy, P. J., Roberts, S. (1997) Evolution of a metamorphic fluid and its role in lode gold mineralisation in the Central lberian Zone. Mineralium Deposita, 32 (5) 459-474 doi:10.1007/s001260050115
 
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