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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Feldspar Group from
Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal


Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:1534482
Long-form Identifier:1:3:1534482:9
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
10.3km (6.4 miles) ⓘMontemuro Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
11.0km (6.8 miles) ⓘQuinta Velha Mine, Parada de Ester e Ester, Castro Daire, Viseu, Portugal
11.3km (7.0 miles) ⓘBustelo Mine, Alvarenga, Arouca, Aveiro, Portugal
20.6km (12.8 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
26.1km (16.2 miles) ⓘSeixos Alvos Mine, U.F Couto de Cima e Couto de Baixo, Viseu, Viseu, Portugal
26.4km (16.4 miles) ⓘVermilhas No. 1 Mine, U.F Cambra e Carvalhal de Vermilhas, Vouzela, Viseu, Portugal
32.7km (20.3 miles) ⓘMalaposta quarry, Caldas de São Jorge, Santa Maria da Feira, Aveiro, Portugal
36.4km (22.6 miles) ⓘSouto Maior Mine, Mesão Frio (Santo André), Mesão Frio, Vila Real, Portugal
37.2km (23.1 miles) ⓘGestaçô Mines, Gestaçô, Baião, Porto, Portugal
38.8km (24.1 miles) ⓘLamas construction area, Lamas, Ferreira de Aves, Sátão, Viseu, Portugal
References
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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