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
Castanheira, Albergaria da Serra, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal


Locality type:Outcrop
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 Castanheira, Albergaria da Serra, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:928239
Long-form Identifier:1:3:928239:1
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.7km (2.3 miles) ⓘUpper dumps, Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu, Portugal
6.9km (4.3 miles) ⓘPadrão Mine, Manhouce, São Pedro do Sul, Viseu, Portugal
12.8km (8.0 miles) ⓘRegoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
13.7km (8.5 miles) ⓘLouzeiras de Canelas quarry, Canelas e Espiunca, Arouca, Aveiro, Portugal
20.4km (12.6 miles) ⓘTerramonte Mine, Raiva, Castelo de Paiva, Aveiro, Portugal
25.9km (16.1 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
30.3km (18.9 miles) ⓘSeixos Alvos Mine, U.F Couto de Cima e Couto de Baixo, Viseu, Viseu, Portugal
34.7km (21.6 miles) ⓘCastromil Mines, Castromil, Sobreira, Paredes, Porto, Portugal
34.9km (21.7 miles) ⓘSanta Luzia quarry, Campo, Viseu, Viseu, Portugal
43.8km (27.2 miles) ⓘInfesta Mine, Viariz, Baião, Porto, Portugal
References
According to pioneer work carried out in the 1950s by C.T Assunção & C.Teixeira (Boletim do Museu e Laboratório Mineralógico e Geológico Faculdadede Ciências, 1954, v.27, pp.7–17).
 
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