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Opal-AN from
Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal


Locality type:Mine
Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Preguiça Mine, Sobral da Adiça, Moura, Beja, Portugal
Data Identifiers
Mindat Occurrence Record ID:1904748
Long-form Identifier:1:3:1904748:3
GUID (UUID V4):0
Nearest other occurrences of Opal-AN
8.3km (5.1 miles) ⓘCêrro da Oca Mine, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal
77.7km (48.3 miles) ⓘDaroeira Mine, Martim Longo, Alcoutim, Faro, Portugal
88.2km (54.8 miles) ⓘMostardeira Mine, Glória, Estremoz, Évora, Portugal
References
Silva, Teresa P.; Morais, Igor; Soares, Sofia; Rodrigues, Ivo; Oliveira, Daniel P. S.; Mirão, José (2026) New Contributions to Mineralogical and Geochemical Knowledge of Old Preguiça Mine, Beja, Portugal. Minerals, 16 (4). doi:10.3390/min16040348
 
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