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
Numão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal


Locality type:Prospect
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 Numão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:1497698
Long-form Identifier:1:3:1497698:6
GUID (UUID V4):0
Nearest other occurrences of Muscovite
14.9km (9.3 miles) ⓘBajoca Mine, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
17.9km (11.1 miles) ⓘCanada dos Vieiros do Frade Mine, Felgueiras e Maçores, Torre de Moncorvo, Bragança, Portugal
18.6km (11.5 miles) ⓘBajoca pegmatite, Algodres， Vale de Afonsinho e Vilar de Amargo, Figueira de Castelo Rodrigo, Guarda, Portugal
18.7km (11.6 miles) ⓘFerronha Mines, U.F Penedono e Granja, Penedono, Viseu, Portugal
19.6km (12.2 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
19.6km (12.2 miles) ⓘVieiros Mine, Penela da Beira, Penedono, Viseu, Portugal
20.8km (13.0 miles) ⓘMoncorvo Mining Field, Torre de Moncorvo, Bragança, Portugal
24.7km (15.4 miles) ⓘFeli deposit, La Fregeneda, Salamanca, Castile and Leon, Spain
24.8km (15.4 miles) ⓘCabeço da Mua Mine, Felgar e Souto da Velha, Torre de Moncorvo, Bragança, Portugal
25.5km (15.8 miles) ⓘRibeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal
References
Leal, S.; Lima, A.; Morris, J.; Pedro, M.; Noronha, F. (2022) Numão gold deposit in the Iberian Variscan belt, Northern Portugal: Ore features and mineralization controls. A gold deposit in a W-Sn metallogenic province. Ore Geology Reviews, 144. 104815 doi:10.1016/j.oregeorev.2022.104815
 
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