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
Fonte da Quinta do Guardal de Cima Mine, Mafamude e Vilar do Paraíso, Vila Nova de Gaia, Porto, 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 Fonte da Quinta do Guardal de Cima Mine, Mafamude e Vilar do Paraíso, Vila Nova de Gaia, Porto, Portugal
Data Identifiers
Mindat Occurrence Record ID:918503
Long-form Identifier:1:3:918503:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
11.6km (7.2 miles) ⓘMidões Mine (Gens - Midões and Covelo), Covelo, Gondomar, Porto, Portugal
12.9km (8.0 miles) ⓘSerra de Pias Mines, Valongo, Valongo, Porto, Portugal
13.0km (8.1 miles) ⓘAbelheira Mine, Aguiar de Sousa, Paredes, Porto, Portugal
13.0km (8.1 miles) ⓘMedas Mine, Aguiar de Sousa, Paredes, Porto, Portugal
13.0km (8.1 miles) ⓘTapada Mine, Medas, Gondomar, Porto, Portugal
13.2km (8.2 miles) ⓘSerra de Santa Justa Mines, Valongo, Valongo, Porto, Portugal
13.3km (8.3 miles) ⓘVale de Aches e Ribeiro da Igreja Mine, Sobrado, Valongo, Porto, Portugal
13.3km (8.3 miles) ⓘRibeiro da Igreja Mine, Alfena, Valongo, Porto, Portugal
13.3km (8.3 miles) ⓘPinhal - Vale de Achas e Ribeiro da Igreja Mine, Valongo, Valongo, Porto, Portugal
13.4km (8.3 miles) ⓘSítio do Corgo Mine, Medas, Gondomar, Porto, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1208 WMo
 
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