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
Rego de Água Mine, U.F Santa Comba Dão e Couto de Mosteiro, Santa Comba Dão, Viseu, 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 Rego de Água Mine, U.F Santa Comba Dão e Couto de Mosteiro, Santa Comba Dão, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:912817
Long-form Identifier:1:3:912817:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
7.0km (4.3 miles) ⓘÁzere Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
7.1km (4.4 miles) ⓘMortágua sedimentary basin, Mortágua， Vale de Remígio， Cortegaça e Almaça, Mortágua, Viseu, Portugal
8.1km (5.0 miles) ⓘVale de Abrutiga Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
12.3km (7.7 miles) ⓘSevilha Mine, Tábua, Tábua, Coimbra, Portugal
13.9km (8.6 miles) ⓘAmieiro Mine, Currelos, Carregal do Sal, Carregal do Sal, Viseu, Portugal
14.5km (9.0 miles) ⓘMolelinhos Mine, Molelos, Tondela, Viseu, Portugal
18.5km (11.5 miles) ⓘEstreito ou Mecha Nova e Vale da Cepa Mines, Luso, Mealhada, Aveiro, Portugal
18.9km (11.7 miles) ⓘVale de Mouro Mine, Sazes do Lorvão, Penacova, Coimbra, Portugal
18.9km (11.7 miles) ⓘCassemes Mine, Sazes do Lorvão, Penacova, Coimbra, Portugal
19.6km (12.2 miles) ⓘBarranco do Linhó (Vales da Cepa e de Enxutos) Mines, Luso, Mealhada, Aveiro, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1139PbAg
 
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