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
Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Schorl1
Quartz1
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:530409
Long-form Identifier:1:3:530409:7
GUID (UUID V4):0
Nearest other occurrences of Muscovite
6.7km (4.2 miles) ⓘPadrão Mine, Manhouce, São Pedro do Sul, Viseu, Portugal
9.1km (5.7 miles) ⓘUpper dumps, Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu, Portugal
11.5km (7.1 miles) ⓘLouzeiras de Canelas quarry, Canelas e Espiunca, Arouca, Aveiro, Portugal
12.8km (8.0 miles) ⓘCastanheira, Albergaria da Serra, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal
20.6km (12.8 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
23.0km (14.3 miles) ⓘTerramonte Mine, Raiva, Castelo de Paiva, Aveiro, Portugal
26.1km (16.2 miles) ⓘSeixos Alvos Mine, U.F Couto de Cima e Couto de Baixo, Viseu, Viseu, Portugal
27.1km (16.8 miles) ⓘSanta Luzia quarry, Campo, Viseu, Viseu, Portugal
34.9km (21.7 miles) ⓘInfesta Mine, Viariz, Baião, Porto, Portugal
34.9km (21.7 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
References
Rui Nunes Abril 2008: paragénese do granito e dos filões de Sn-W das minas de Regoufe tal como foi definida na tese de doutoramento de Slujk (1963)
Almeida, Hender De, Maria Cristina Gomes Marques, Helena Sant’Ovaia, Rui Moura, and Jorge Espinha Marques. (2023) "Environmental Impact Assessment of the Subsurface in a Former W-Sn Mine: Integration of Geophysical Methodologies" Minerals 13, no. 1: 55. https://doi.org/10.3390/min13010055
Sant’Ovaia, Helena, Cláudia Cruz, Alexandra Guedes, Helena Ribeiro, Patrícia Santos, Sónia Pereira, Jorge Espinha Marques, Maria dos Anjos Ribeiro, Catarina Mansilha, Helena Cristina Brites Martins, Bruno Valentim, Joana Torres, Ilda Abreu, Fernando Noronha, and Deolinda Flores. (2023) "Contamination Fingerprints in an Inactive W (Sn) Mine: The Regoufe Mine Study Case (Northern Portugal)" Minerals 13, no. 4: 497. https://doi.org/10.3390/min13040497
 
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