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


05680350017365075576510.jpg
Cassiterite

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
05680350017365075576510.jpg
Cassiterite

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
05680350017365075576510.jpg
Cassiterite

Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Locality type:Mine
Classification
Species:Cassiterite
Formula:SnO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cassiterite data
Locality Data:Click here to view Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
Data Identifiers
Mindat Occurrence Record ID:530400
Long-form Identifier:1:3:530400:4
GUID (UUID V4):0
Nearest other occurrences of Cassiterite
3.1km (1.9 miles) ⓘJanarde e Covelo de Paivô Mining Field, Janarde, Arouca, Aveiro, Portugal
3.4km (2.1 miles) ⓘGourim Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
4.8km (3.0 miles) ⓘRio de Frades Mines, Cabreiros, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal
6.2km (3.9 miles) ⓘSerra de Sequeiros Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
6.5km (4.0 miles) ⓘPena Mine, U.F São Martinho das Moitas e Covas do Rio, São Pedro do Sul, Viseu, Portugal
6.7km (4.2 miles) ⓘPadrão Mine, Manhouce, São Pedro do Sul, Viseu, Portugal
6.8km (4.2 miles) ⓘRibeira de Baje e Loureiro Mines, Sul, São Pedro do Sul, Viseu, Portugal
8.3km (5.2 miles) ⓘAvô Mine, Reriz e Gafanhão, Castro Daire, Viseu, Portugal
8.4km (5.2 miles) ⓘCôto do Sino Mine, Alvarenga, Arouca, Aveiro, Portugal
9.1km (5.7 miles) ⓘUpper dumps, Alto das Quelhas do Gestoso Mine, Gestoso, Manhouce, São Pedro do Sul, Viseu, Portugal
References
Rui Nunes April 2008 - in Percurso na Geologia de Arouca - C.M.A.
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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