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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Ankerite from
Porteirinhos Mine, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal


Locality type:Mine
Classification
Species:Ankerite
Formula:Ca(Fe2+,Mg)(CO3)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ankerite data
Locality Data:Click here to view Porteirinhos Mine, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:1676644
Long-form Identifier:1:3:1676644:4
GUID (UUID V4):0
Nearest other occurrences of Ankerite
4.8km (3.0 miles) ⓘBrancanes Mine, Brancanes, Almodôvar e Graça dos Padrões, Almodôvar, Beja, Portugal
6.6km (4.1 miles) ⓘNeves-Corvo Mine, Santa Bárbara de Padrões, Castro Verde, Beja, Portugal
32.9km (20.5 miles) ⓘFeitais deposit, Aljustrel Mine, Aljustrel e Rio de Moinhos, Aljustrel, Beja, Portugal
34.8km (21.6 miles) ⓘFerrarias e Castelo Mine, Santa Vitória e Mombeja, Beja, Beja, Portugal
57.3km (35.6 miles) ⓘSalgadinho Mine, Cercal do Alentejo, Santiago do Cacém, Setúbal, Portugal
82.2km (51.1 miles) ⓘFilón Norte open pit (Filón Norte Mine), Tharsis Mines, Tharsis, Alosno, Huelva, Andalusia, Spain
82.6km (51.3 miles) ⓘPreguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
References
Oliveira, Daniel P. S. de, Silva, Teresa P., Morais, Igor, Fernandes, João A. E. (2025) Chemical and Mineralogical Characterization of Waste from Abandoned Copper and Manganese Mines in the Iberian Pyrite Belt, Portugal: A First Step Towards the Waste-to-Value Recycling Process. Minerals, 15 (1). doi:10.3390/min15010058
 
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