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
Vale da Madre Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, 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 Vale da Madre Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
Data Identifiers
Mindat Occurrence Record ID:897473
Long-form Identifier:1:3:897473:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.8km (1.7 miles) ⓘCabeço da Senhora dos Montes Ermos Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
2.8km (1.7 miles) ⓘPissarrão Mine, Carviçais, Torre de Moncorvo, Bragança, Portugal
3.6km (2.2 miles) ⓘCaminho Largo Mine, Freixo de Espada à Cinta e Mazouco, Freixo de Espada à Cinta, Bragança, Portugal
4.3km (2.7 miles) ⓘFerronho Mine, Mós, Torre de Moncorvo, Bragança, Portugal
10.3km (6.4 miles) ⓘTerra da Mina Mine, Castelo Branco, Mogadouro, Bragança, Portugal
10.4km (6.5 miles) ⓘRibeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal
11.3km (7.0 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
12.5km (7.7 miles) ⓘAlberto pit, La Fregeneda, Salamanca, Castile and Leon, Spain
12.6km (7.8 miles) ⓘFragas da Carvalhosa Mine, Felgar e Souto da Velha, Torre de Moncorvo, Bragança, Portugal
12.8km (7.9 miles) ⓘCabeço da Roda Mine, Lagoaça e Fornos, Freixo de Espada à Cinta, Bragança, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "571Pb"
Marques de Sá, C.; Noronha, F.; Cardellach, E.; Bobos, I. (2019) Fluid inclusion and (S, C, O, Pb) isotope study of Pb-Zn-(Cu-Ag) hydrothermal veins from Central and Northern Portugal – Metallogenic implications. Ore Geology Reviews, 112. doi:10.1016/j.oregeorev.2019.103043
 
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