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


Locality type:Mine
Classification
Species:Native Silver
Formula:Ag
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Native Silver 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:875719
Long-form Identifier:1:3:875719:7
GUID (UUID V4):0
Nearest other occurrences of Native Silver
11.9km (7.4 miles) ⓘVale de Campo Mine, Carrazedo de Montenegro e Curros, Valpaços, Vila Real, Portugal
18.4km (11.4 miles) ⓘVinheiros Mine, Souto Maior, Sabrosa, Vila Real, Portugal
18.7km (11.6 miles) ⓘRibas Mine, Algeriz, Valpaços, Vila Real, Portugal
29.5km (18.4 miles) ⓘFacuca - Vale de Cieiro and Lameiro do Bicheiro Mines, Pena， Quintã e Vila Cova, Vila Real, Vila Real, Portugal
33.7km (20.9 miles) ⓘVale do Ninho Mine, Mascarenhas, Mirandela, Bragança, Portugal
35.7km (22.2 miles) ⓘPedra Luz Mine, Frechas, Mirandela, Bragança, Portugal
35.9km (22.3 miles) ⓘLatadas Mines, Freixeda e Vila Verde, Mirandela, Bragança, Portugal
35.9km (22.3 miles) ⓘLatadas Mines, São Salvador, Mirandela, Bragança, Portugal
36.5km (22.7 miles) ⓘMonte Figueira Mine, Frechas, Mirandela, Bragança, Portugal
36.6km (22.8 miles) ⓘMoinho do Videira Mine, São Salvador, Mirandela, Bragança, Portugal
References
LNEG/Siorminp database
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.
 
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