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
Ribeira da Centieira e Vergadas Mines, Longroiva, Mêda, Guarda, 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 Ribeira da Centieira e Vergadas Mines, Longroiva, Mêda, Guarda, Portugal
Data Identifiers
Mindat Occurrence Record ID:915670
Long-form Identifier:1:3:915670:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
4.3km (2.7 miles) ⓘBreijo Mines, Ervedosa, Pinhel, Guarda, Portugal
8.3km (5.2 miles) ⓘLamega Mine, Santa Comba, Vila Nova de Foz Côa, Guarda, Portugal
11.4km (7.1 miles) ⓘCanada da Sardinha Mine, Coriscada, Mêda, Guarda, Portugal
11.5km (7.2 miles) ⓘNumão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal
11.6km (7.2 miles) ⓘEspadanal Mine, Valdujo, Trancoso, Guarda, Portugal
11.8km (7.4 miles) ⓘRaposa Mine, Azêvo, Pinhel, Guarda, Portugal
12.8km (8.0 miles) ⓘAlmendra Mining Field, Almendra, Vila Nova de Foz Côa, Guarda, Portugal
13.1km (8.1 miles) ⓘMachorrinho and Pedriça (Vale da Manta) Mine, Azêvo, Pinhel, Guarda, Portugal
14.3km (8.9 miles) ⓘLadeiras quarry, Cótimos, Trancoso, Guarda, Portugal
14.6km (9.1 miles) ⓘFerronha Mines, U.F Penedono e Granja, Penedono, Viseu, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1481W
 
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