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
Cassemes Mine, Sazes do Lorvão, Penacova, 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 Cassemes Mine, Sazes do Lorvão, Penacova, Coimbra, Portugal
Data Identifiers
Mindat Occurrence Record ID:917708
Long-form Identifier:1:3:917708:6
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.0km (0.0 miles) ⓘVale de Mouro Mine, Sazes do Lorvão, Penacova, Coimbra, Portugal
1.9km (1.2 miles) ⓘBarranco do Linhó (Vales da Cepa e de Enxutos) Mines, Luso, Mealhada, Aveiro, Portugal
2.2km (1.3 miles) ⓘChão da Mata Mine, Souselas e Botão, Coimbra, Coimbra, Portugal
2.7km (1.7 miles) ⓘEstreito ou Mecha Nova e Vale da Cepa Mines, Luso, Mealhada, Aveiro, Portugal
3.8km (2.3 miles) ⓘSanguinheiro Mine, Lorvão, Penacova, Coimbra, Portugal
12.8km (8.0 miles) ⓘMortágua sedimentary basin, Mortágua， Vale de Remígio， Cortegaça e Almaça, Mortágua, Viseu, Portugal
15.9km (9.9 miles) ⓘBarbadalhos Mine (Zorro Mine), Santo António dos Olivais, Coimbra, Coimbra, Portugal
18.9km (11.7 miles) ⓘRego de Água Mine, U.F Santa Comba Dão e Couto de Mosteiro, Santa Comba Dão, Viseu, Portugal
21.8km (13.6 miles) ⓘÁzere Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
22.0km (13.6 miles) ⓘVale de Abrutiga Mine, Ázere e Covelo, Tábua, Coimbra, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1334Fe
 
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