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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Muscovite from
Gralheira Mine, Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Gralheira Mine, Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
Data Identifiers
Mindat Occurrence Record ID:942926
Long-form Identifier:1:3:942926:0
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.2km (1.3 miles) ⓘJales Mines (Jales Mining Field), Alfarela de Jales, Vila Pouca de Aguiar, Vila Real, Portugal
14.5km (9.0 miles) ⓘCumieira Mine, Mouçós e Lamares, Vila Real, Vila Real, Portugal
18.4km (11.4 miles) ⓘVinheiros Mine, Souto Maior, Sabrosa, Vila Real, Portugal
21.5km (13.4 miles) ⓘSeixigal (Pereira de Selão), Vilas Boas, Vidago, Chaves, Vila Real, Portugal
22.9km (14.2 miles) ⓘAldeia LCT pegmatite dykes, Canedo, Ribeira de Pena, Vila Real, Portugal
24.2km (15.1 miles) ⓘMonte de Entre-Portelas Mine (S. João Mine; Adoria Mine), Cerva e Limões, Ribeira de Pena, Vila Real, Portugal
24.4km (15.1 miles) ⓘLamas de Olo pluton, Vila Marim, Vila Real, Vila Real, Portugal
26.2km (16.3 miles) ⓘGalegos da Serra, Vila Marim, Vila Real, Vila Real, Portugal
26.6km (16.6 miles) ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal
26.7km (16.6 miles) ⓘFolgar Mine, São Mamede de Ribatua, Alijó, Vila Real, Portugal
References
Neiva, A. M. R. (1994): Gold-​quartz veins at Gralheira, northern Portugal: mineralogical and geochemical characteristics. Transactions of the Institution of Mining and Metallurgy, Section B: Applied Earth Science 103, B188-B196.
Martins, S. A. B. (2018). Mineralizações auríferas de Jales, Gralheira e Raiz do Monte: estudo mineralógico e paragenético. o Mestrado em Geologia da Faculdade de Ciências da Universidade do Porto
 
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