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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Chalcocite from
Mostardeira Mine, Glória, Estremoz, Évora, Portugal


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Mostardeira Mine, Glória, Estremoz, Évora, Portugal
Data Identifiers
Mindat Occurrence Record ID:800529
Long-form Identifier:1:3:800529:8
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
18.4km (11.5 miles) ⓘMiguel Vacas Mine, Nossa Senhora da Conceição e São Bartolomeu, Vila Viçosa, Évora, Portugal
25.7km (16.0 miles) ⓘBarrinho Mine, Vila Fernando, Elvas, Portalegre, Portugal
27.0km (16.7 miles) ⓘBugalho Mine, Alandroal-Nossa Senhora da Conceição - São Brás dos Matos-Mina do Bugalho e Juromenha-Nossa Senhora do Loreto, Alandroal, Évora, Portugal
48.8km (30.3 miles) ⓘTinoca Mine, Nossa Senhora da Graça dos Degolados, Campo Maior, Portalegre, Portugal
55.1km (34.2 miles) ⓘLas Herrerías deposit, Alconchel, Badajoz, Extremadura, Spain
57.8km (35.9 miles) ⓘAlcalainha Mine, Nossa Senhora da Tourega e Nossa Senhora de Guadalupe, Évora, Évora, Portugal
70.6km (43.9 miles) ⓘHerdade de Entre Matinhas Mine, Alcáçovas, Viana do Alentejo, Évora, Portugal
71.4km (44.4 miles) ⓘVale de Nogueira Mine, Alcáçovas, Viana do Alentejo, Évora, Portugal
85.1km (52.9 miles) ⓘMalhada dos Barrinhos Mine, Barrancos, Barrancos, Beja, Portugal
87.5km (54.4 miles) ⓘAparis Mine, Barrancos, Barrancos, Beja, Portugal
References
IST Lisbon collection
 
and/or  
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