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
Castromil Mines, Castromil, Sobreira, Paredes, Porto, 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 Castromil Mines, Castromil, Sobreira, Paredes, Porto, Portugal
Data Identifiers
Mindat Occurrence Record ID:791720
Long-form Identifier:1:3:791720:2
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.6km (2.8 miles) ⓘRibeiro da Paradela Mine, Lagares e Figueira, Penafiel, Porto, Portugal
6.0km (3.7 miles) ⓘSerra de Pias Mines, Recarei, Paredes, Porto, Portugal
6.3km (3.9 miles) ⓘAbelheira Mine, Aguiar de Sousa, Paredes, Porto, Portugal
6.3km (3.9 miles) ⓘMedas Mine, Aguiar de Sousa, Paredes, Porto, Portugal
6.9km (4.3 miles) ⓘBanjas Mines, Melres, Gondomar, Porto, Portugal
6.9km (4.3 miles) ⓘBanjas Mines, Sobreira, Paredes, Porto, Portugal
7.3km (4.5 miles) ⓘRebordosa Mine, Rebordosa, Paredes, Porto, Portugal
7.4km (4.6 miles) ⓘBouça Velha Mine, Aguiar de Sousa, Paredes, Porto, Portugal
7.7km (4.8 miles) ⓘSerra de Pias Mines, Valongo, Valongo, Porto, Portugal
8.2km (5.1 miles) ⓘMidões Mine (Gens - Midões and Covelo), Covelo, Gondomar, Porto, Portugal
References
Eduardo Ferreira da Silva - Site-Specific Characterization of Castromil Brownfield Area Related to Gold Mining Activities, Environmental Geochemistry and Health, Springer, Mar 1, 2004.
Vallance, J, Cathelineau, M, Boiron, M.C, Fourcade, S, Shepherd, T.J, Naden, J (2003) Fluid–rock interactions and the role of late Hercynian aplite intrusion in the genesis of the Castromil gold deposit, northern Portugal. Chemical Geology, 194 (1) 201-224 doi:10.1016/s0009-2541(02)00278-4
 
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