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


08554160017368728705626.jpg
Schorl, etc.

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
08554160017368728705626.jpg
Schorl, etc.

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
09268070017368728714332.jpg
Schorl, etc.

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:530410
Long-form Identifier:1:3:530410:3
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
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
34.9km (21.7 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
34.9km (21.7 miles) ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
42.9km (26.7 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
45.0km (28.0 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
49.5km (30.8 miles) ⓘCorvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
50.9km (31.6 miles) ⓘVieiros Mines, Rebordelo, Amarante, Porto, Portugal
59.1km (36.7 miles) ⓘLamas de Olo pluton, Vila Marim, Vila Real, Vila Real, Portugal
65.1km (40.5 miles) ⓘAlto dos Seixos No. 2 Mine, Melo e Nabais, Gouveia, Guarda, 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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