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
Fervença Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, 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 Fervença Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:907769
Long-form Identifier:1:3:907769:0
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.7km (0.4 miles) ⓘFraga Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
1.5km (0.9 miles) ⓘValdarcas Mine, Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
2.0km (1.3 miles) ⓘCerdeirinha Mine, Arga de Baixo, Caminha, Viana do Castelo, Portugal
7.1km (4.4 miles) ⓘSerra de Arga, Montaria, Viana do Castelo, Viana do Castelo, Portugal
10.1km (6.3 miles) ⓘUnnamed mine, Estorãos, Ponte de Lima, Viana do Castelo, Portugal
12.6km (7.8 miles) ⓘCabanas Mine, Arcozelo, Ponte de Lima, Viana do Castelo, Portugal
19.6km (12.1 miles) ⓘMacieira quarry, Boivão, Valença do Minho, Viana do Castelo, Portugal
30.1km (18.7 miles) ⓘSanta Marina Mine, Galiñeiro Complex, Vincios, Gondomar, Pontevedra, Galicia, Spain
31.3km (19.4 miles) ⓘPedra da Moura Mine, Touvedo (São Lourenço e Salvador), Ponte da Barca, Viana do Castelo, Portugal
32.2km (20.0 miles) ⓘBarral, Vila Chã (São João Baptista e Santiago), Ponte da Barca, Viana do Castelo, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 87W
 
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