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
Ratoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal


Locality type:Quarry
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 Ratoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:1593035
Long-form Identifier:1:3:1593035:2
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.7km (0.5 miles) ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal
4.1km (2.5 miles) ⓘVigia Mine, U.F. Aguiar da Beira e Coruche, Aguiar da Beira, Guarda, Portugal
6.3km (3.9 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
6.6km (4.1 miles) ⓘPinheiro pegmatite, Ferreira de Aves, Sátão, Viseu, Portugal
6.9km (4.3 miles) ⓘPestarenga Mine, Quinta da Madalena, Ferreira de Aves, Sátão, Viseu, Portugal
7.4km (4.6 miles) ⓘQuinta da Carrasqueira de Cima II pegmatite, Ferreira de Aves, Sátão, Viseu, Portugal
7.5km (4.7 miles) ⓘQuinta da Corujeirinha pegmatite, Preguiça Mine, Ferreira de Aves, Sátão, Viseu, Portugal
7.9km (4.9 miles) ⓘQuinta da Carrasqueira de Cima I pegmatite, Preguiça Mine, Ferreira de Aves, Sátão, Viseu, Portugal
8.0km (4.9 miles) ⓘQuinta da Carrasqueira pegmatite, Ferreira de Aves, Sátão, Viseu, Portugal
8.4km (5.2 miles) ⓘQuinta da Carrasqueira de Baixo pegmatite, Ferreira de Aves, Sátão, Viseu, Portugal
References
Rui Nunes' visit, September 07, 2023Identified by Rui Nunes: Visual Identification
 
and/or  
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