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
Ferronha Mines, U.F Penedono e Granja, Penedono, Viseu, 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 Ferronha Mines, U.F Penedono e Granja, Penedono, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:991574
Long-form Identifier:1:3:991574:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
4.4km (2.7 miles) ⓘSanto António Mine, U.F. Penedono e Granja, Penedono, Viseu, Portugal
4.4km (2.7 miles) ⓘVieiros Mine, Penela da Beira, Penedono, Viseu, Portugal
16.4km (10.2 miles) ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal
18.7km (11.6 miles) ⓘNumão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal
20.7km (12.9 miles) ⓘRatoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
21.4km (13.3 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
24.5km (15.2 miles) ⓘVigia Mine, U.F. Aguiar da Beira e Coruche, Aguiar da Beira, Guarda, Portugal
27.0km (16.8 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
27.1km (16.9 miles) ⓘPinheiro pegmatite, Ferreira de Aves, Sátão, Viseu, Portugal
27.6km (17.1 miles) ⓘPestarenga Mine, Quinta da Madalena, Ferreira de Aves, Sátão, Viseu, Portugal
References
 
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