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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Aegirine from
Alter Pedroso, Alter do Chão, Alter do Chão, Portalegre, Portugal


Locality type:Outcrop
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Alter Pedroso, Alter do Chão, Alter do Chão, Portalegre, Portugal
Data Identifiers
Mindat Occurrence Record ID:951331
Long-form Identifier:1:3:951331:0
GUID (UUID V4):0
Nearest other occurrences of Aegirine
52.4km (32.5 miles) ⓘCevadais occurrence, Campo Maior, Portalegre, Portugal
95.3km (59.2 miles) ⓘSierra Vieja intrusion, Badajoz, Extremadura, Spain
References
SERRALHEIRO, António - Esboço geológico da região de Alter Pedroso
Boletim da Sociedade Geológica de Portugal - Vol. XII, fasc. III, (1957-58), p. 3-12, [4 p.]
Mendes, F. J.; Silveira, Marieta da; Assunção, C. F. Torre de (1957) O zircão de Alter Pedroso, Alter do Chão, e o do filão da Boa Esperança, Ribaué, Moçambique: estudo radiográfico [Zircon from Alter Pedroso, Alter do Chão, and from the Boa Esperança vein, Ribaué, Mozambique: radiographic study]. Boletim do Museu e Laboratório Mineralógico e Geológico da Faculdade de Ciências da Universidade de Lisboa S. 7 (25). Museu e Laboratório Mineraloǵico e Geológico da Faculdade de Ciencias, Universidade de Lisboa p.3-13.
 
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