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
Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, 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 Argimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:671428
Long-form Identifier:1:3:671428:4
GUID (UUID V4):0
Nearest other occurrences of Muscovite
11.7km (7.3 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
29.0km (18.0 miles) ⓘSão Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal
35.1km (21.8 miles) ⓘCabris Mine, União de freguesias de Corujeira e Trinta, Guarda, Guarda, Portugal
37.0km (23.0 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
37.8km (23.5 miles) ⓘUnnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal
38.2km (23.7 miles) ⓘAlvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
39.3km (24.4 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
39.8km (24.7 miles) ⓘVela Sudoeste quarry, Vela, Guarda, Guarda, Portugal
40.3km (25.0 miles) ⓘSítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
40.6km (25.2 miles) ⓘMelo e Nabais, Gouveia, Guarda, Portugal
References
Pereira, E.G., Antunes, I.M., and Monteiro, M.C.H.M. (2010): Goldschmidt Conference Abstracts 2010.
 
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