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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Quartz from
Vale de Abrutiga Mine, Ázere e Covelo, Tábua, Coimbra, Portugal


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Vale de Abrutiga Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
Data Identifiers
Mindat Occurrence Record ID:566912
Long-form Identifier:1:3:566912:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.3km (0.8 miles) ⓘÁzere Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
8.1km (5.0 miles) ⓘRego de Água Mine, U.F Santa Comba Dão e Couto de Mosteiro, Santa Comba Dão, Viseu, Portugal
9.6km (6.0 miles) ⓘSevilha Mine, Tábua, Tábua, Coimbra, Portugal
13.7km (8.5 miles) ⓘMortágua sedimentary basin, Mortágua， Vale de Remígio， Cortegaça e Almaça, Mortágua, Viseu, Portugal
14.1km (8.7 miles) ⓘAmieiro Mine, Currelos, Carregal do Sal, Carregal do Sal, Viseu, Portugal
17.8km (11.0 miles) ⓘQuinta da Barrenha Mine, Avô, Oliveira do Hospital, Coimbra, Portugal
17.8km (11.0 miles) ⓘOuteiro da Cruz MIne, Avô, Oliveira do Hospital, Coimbra, Portugal
19.3km (12.0 miles) ⓘSenhora da Guia Mines, Liboreiro, Góis, Góis, Coimbra, Portugal
19.6km (12.2 miles) ⓘNossa Senhora - Portela - Corga and Fiais do Ervedal Mines, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
20.3km (12.6 miles) ⓘMalhada Mine, Ervedal e Vila Franca da Beira, Oliveira do Hospital, Coimbra, Portugal
References
Pinto, M. M. S. C., Silva, M. M. V. G., & Neiva, A. M. R. (2007, August). Chemical compositions of zircon from an U-mine area, Portugal. In GEOCHIMICA ET COSMOCHIMICA ACTA (Vol. 71, No. 15, pp. A794-A794). THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND: PERGAMON-ELSEVIER SCIENCE LTD.
Cabral Pinto, Marina M. S., Silva, Maria M. V. G., Neiva, Ana M. R. (2008) Geochemistry of U-bearing minerals from the Vale de Abrutiga uranium mine area, Central Portugal. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (2) 183-198 doi:10.1127/0077-7757/2008/0120
 
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