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
São Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view São Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:855288
Long-form Identifier:1:3:855288:4
GUID (UUID V4):0
Nearest other occurrences of Muscovite
17.8km (11.1 miles) ⓘGranite outcrop, União de Freguesias de Monsanto e Idanha-a-Velha, Idanha-a-Nova, Castelo Branco, Portugal
29.0km (18.0 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
36.0km (22.4 miles) ⓘSegura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
37.0km (23.0 miles) ⓘCerro Queimado, União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal
39.2km (24.3 miles) ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal
41.2km (25.6 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
42.0km (26.1 miles) ⓘUnnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal
44.2km (27.5 miles) ⓘCabris Mine, União de freguesias de Corujeira e Trinta, Guarda, Guarda, Portugal
44.9km (27.9 miles) ⓘGonçalo Sul C 70 Mine, Gonçalo, Guarda, Guarda, Portugal
46.5km (28.9 miles) ⓘAlvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
References
Nunes, Rui (n.d.) Personal communication.
 
and/or  
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