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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Zircon from
Cova dos Mouros Mine, Marrancos e Arcozelo, Vila Verde, Braga, Portugal


Locality type:Mine
Classification
Species:Zircon
Formula:Zr(SiO4)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Zircon data
Locality Data:Click here to view Cova dos Mouros Mine, Marrancos e Arcozelo, Vila Verde, Braga, Portugal
Data Identifiers
Mindat Occurrence Record ID:1676683
Long-form Identifier:1:3:1676683:3
GUID (UUID V4):0
Nearest other occurrences of Zircon
20.4km (12.7 miles) ⓘMata da Galinheira Mine, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
22.1km (13.7 miles) ⓘDornas Mine, Bouro (Santa Maria), Amares, Braga, Portugal
26.1km (16.2 miles) ⓘCovide quarry, Covide, Terras de Bouro, Braga, Portugal
37.4km (23.2 miles) ⓘEastern pegmatite, Muro Alto Mine, Anjos e Vilar do Chão, Vieira do Minho, Braga, Portugal
37.4km (23.2 miles) ⓘWestern pegmatite, Muro Alto Mine, Anjos e Vilar do Chão, Vieira do Minho, Braga, Portugal
39.9km (24.8 miles) ⓘEiras quarry, Gondomil e Safins, Valença do Minho, Viana do Castelo, Portugal
42.2km (26.2 miles) ⓘCarris Mines, Cabril, Montalegre, Vila Real, Portugal
55.4km (34.4 miles) ⓘPorriño quarries, Porriño, Pontevedra, Galicia, Spain
55.5km (34.5 miles) ⓘSanta Marina Mine, Galiñeiro Complex, Vincios, Gondomar, Pontevedra, Galicia, Spain
57.3km (35.6 miles) ⓘLousas aplite-pegmatite, Dornelas, Boticas, Vila Real, Portugal
References
Oliveira, Daniel P. S. de, Silva, Teresa P., Morais, Igor, Fernandes, João A. E. (2025) Chemical and Mineralogical Characterization of Waste from Abandoned Copper and Manganese Mines in the Iberian Pyrite Belt, Portugal: A First Step Towards the Waste-to-Value Recycling Process. Minerals, 15 (1). doi:10.3390/min15010058
 
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