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
Olival das Freiras e Tapada do Olival Mine, Santo Ildefonso, Elvas, Portalegre, 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 Olival das Freiras e Tapada do Olival Mine, Santo Ildefonso, Elvas, Portalegre, Portugal
Data Identifiers
Mindat Occurrence Record ID:918601
Long-form Identifier:1:3:918601:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
18.5km (11.5 miles) ⓘBarrinho Mine, Vila Fernando, Elvas, Portalegre, Portugal
18.5km (11.5 miles) ⓘCourela da Água de Banhos Mine, São Vicente e Ventosa, Elvas, Portalegre, Portugal
19.5km (12.1 miles) ⓘZambujeira Mine, Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto, Alandroal, Évora, Portugal
22.3km (13.8 miles) ⓘBugalho Mine, Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto, Alandroal, Évora, Portugal
23.3km (14.5 miles) ⓘSanta Eulália Mining Field, Santa Eulália, Elvas, Portalegre, Portugal
23.4km (14.5 miles) ⓘMiguel Vacas Mine, Nossa Senhora da Conceição e São Bartolomeu, Vila Viçosa, Évora, Portugal
23.4km (14.5 miles) ⓘSanta Eulália Mine (Fontalva), Santa Eulália, Elvas, Portalegre, Portugal
23.9km (14.8 miles) ⓘTorre, Pardais, Vila Viçosa, Évora, Portugal
24.3km (15.1 miles) ⓘHerdade de Santo Ildefonso Mine, Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto, Alandroal, Évora, Portugal
24.7km (15.4 miles) ⓘUnnamed marble quarries, Pardais, Vila Viçosa, Évora, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1757Pb
 
and/or  
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