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
Quinta de Roriz Mine, Ervedosa do Douro, São João da Pesqueira, Viseu, 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 Quinta de Roriz Mine, Ervedosa do Douro, São João da Pesqueira, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912820
Long-form Identifier:1:3:912820:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
5.9km (3.6 miles) ⓘCastanheiro Mines, Castanheiro do Norte e Ribalonga, Carrazeda de Ansiães, Bragança, Portugal
5.9km (3.6 miles) ⓘRibalonga Mines, Castanheiro do Norte e Ribalonga, Carrazeda de Ansiães, Bragança, Portugal
6.9km (4.3 miles) ⓘFolgar Mine, São Mamede de Ribatua, Alijó, Vila Real, Portugal
6.9km (4.3 miles) ⓘBuraco Mine, São Mamede de Ribatua, Alijó, Vila Real, Portugal
6.9km (4.3 miles) ⓘFonte Nova Mine, Covas do Douro, Sabrosa, Vila Real, Portugal
7.9km (4.9 miles) ⓘSalgueirinha Mine, Alijó, Alijó, Vila Real, Portugal
8.6km (5.3 miles) ⓘCortiça Mine, Covas do Douro, Sabrosa, Vila Real, Portugal
9.4km (5.8 miles) ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal
9.5km (5.9 miles) ⓘBouça Velha Mine, Favaios, Alijó, Vila Real, Portugal
10.2km (6.3 miles) ⓘVale de Cheires Mine, Sanfins do Douro, Alijó, Vila Real, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 542Sn
 
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